OpenTechnical

OT-2026-000011827

Publication integrity record

Four finger pneumatic gripper, stripped after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000011827) never changes.

Identity and time

Publication numberOT-2026-000011827 · never reused
Internal UUID01a0ae6d-1941-77a1-a0ee-ea006e4b5d79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011827
StatusPUBLIC

Content hashes

Canonical text6a3258d1f6904edd9faf420a78b79a2cee1a51185b2de22146c0e64f5de7a09d
Markdownf322440913b2d96ae479d1ccba75a7032fa533021ee872405eba0dd3e6b68b16
PDF
Publication page9f1d98faf8c2bcc126a26aa367ea8f23a68c54edd38ca55ef98b83fd80723fb8
Manifestd1b7eabd8f2c54211c416d0fc389deeccd9e7ba3589ce5e1cb222786fc0e3dc1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturetRxjaH1oeP5je3iZ9WmgDtvs7TyfJs91sHIW3HW0Mz9mMNYhUuLtuL1iv/xY/lLHDb4p/F6KmP0xJz56FQ6oBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:33.651945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011827
observed 9f1d98faf8c2bcc126a26aa367ea8f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.633288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011827/manifest.json
observed d1b7eabd8f2c54211c416d0fc389deec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.613290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011827/publication.md
observed f322440913b2d96ae479d1ccba75a703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.591041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011827/publication.txt
observed 6a3258d1f6904edd9faf420a78b79a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.