OpenTechnical

OT-2026-000011449

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000011449) never changes.

Identity and time

Publication numberOT-2026-000011449 · never reused
Internal UUID01a0ae6c-88ff-7ee5-8d1a-bb2f3f1fa729 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011449
StatusPUBLIC

Content hashes

Canonical text64b62fbd7d2261723df210491a88f8a4971394a34c8d20b425c00936106f5e51
Markdown3695bf86afadece30049d86c3e0b0d55a8a3f823edb6d531faee80f2d5171a7f
PDF
Publication pagec9ea3d2c7b5eba9b1b6f58326defb35466987f94c688c280f0e17cde639212d7
Manifest735086fe055873d51482a08eab5a83790a9d7880b921e90958a240cce6eed32c

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
SignatureTQZfwOz49hExBupk0EKDDLiaOkIEKBmPi5rqrmb7/p/N1/9zMkAumVddit0hYos+fzXcuvMLPJqAEAykXQSgBg==
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

2026-09-17T12:13:12.632896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011449
observed c9ea3d2c7b5eba9b1b6f58326defb354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.614153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011449/manifest.json
observed 735086fe055873d51482a08eab5a8379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.594695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011449/publication.md
observed 3695bf86afadece30049d86c3e0b0d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.575098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011449/publication.txt
observed 64b62fbd7d2261723df210491a88f8a4...
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.