Print this blank worksheet and complete it privately. It is a portable planning record, not an online registration or an assessment of a container’s suitability. This file has no form submission, tracking or automatic saving. Use your browser’s Print command to print or save a PDF.
Signal Spectrum Labs · Planned recovery · Private owner copy
Time capsule recovery record
Version 1 · October 2026 · Page 1 of 2
Keep exact locations and private inventory out of public posts. Give copies only to your chosen custodians. Retain an independent printed copy and a digital copy in a separate place. Review the record when the capsule, land ownership or custodian changes.
Capsule title / purpose
Owner-assigned capsule ID
Prepared by / date / record revision
Planned opening date or condition
1. People and permission
Owner / preferred contact
Future custodian / preferred contact
Successor if neither person is available
Landowner / permission record location
Custodians should agree to their role. This record is not proof of ownership, land access or permission to excavate. Confirm permission again before recovery.
2. Storage location and identifying evidence
Site name / address / parcel reference (private)
Storage method: above ground / buried / other
Coordinates / coordinate format or datum
How measured / reported accuracy / date
Measured depth / units / reference surface, if buried
Orientation / nearby permanent landmarks
Location sketch or attached map/photo filenames; measured distances from durable reference points
GPS, trees, fences and surface levels can change or be inaccurate. Use several independent references and dated photographs. Do not rely on a QR link or coordinates alone.
3. Container and identification
Container maker / model / material / size
Closure / seal / packaging / date sealed
External ID marking; separate recovery marker if used; photographs and supplier instructions retained at
Signal Spectrum Labs · Private owner copy
Contents, copies and recovery
Page 2 of 2 · Keep with page 1
Capsule ID (repeat from page 1)
Record revision / date
4. Contents inventory
Item / quantity
Material / enclosure / condition
Photo or attachment reference
Attach additional numbered inventory sheets as needed. Preserve a readable inventory outside the capsule. Digital storage inside it should not be the only copy.
5. Independent copies and review
Printed record held by / stored at
Separate digital copy held by / stored at
Next record/contact review date
Reminder method / backup reminder
Optional external registry / record ID / privacy setting (if actually registered)
6. Recovery plan
Who may arrange recovery; how permission will be checked; who should attend; relevant site restrictions
Recorded detector/coil/mode and trial date, if tested
What the trial actually demonstrated / limitations
A trial result applies to its recorded target, depth, orientation, equipment and conditions. It does not guarantee future detection. Request help only when appropriate; share exact details deliberately with the chosen helper.
7. Changes and eventual opening
Date / person
Move, contact change, permission review or opening