OpenTechnical

OT-2026-000014030

Publication integrity record

Foam pad vacuum gripper, two stage ejector, pulsed blow-off before 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-2026-000014030) never changes.

Identity and time

Publication numberOT-2026-000014030 · never reused
Internal UUID01a0ae6d-8deb-7488-8866-e0f375c7eede · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014030
StatusPUBLIC

Content hashes

Canonical text5fece1c72bd8174b9d1429ba175c3799807cbe5b1c75c28a442f6b596b679c46
Markdown8be8c5d12b9cbf23466890d544aed85c24b18d24b7cdeb462b5c554b89ea1335
PDF
Publication page696d2d23772844faaca85cd161a5cea619fcb4e38c28eea82ecbd426db125b0e
Manifest54b977b0acff5a1eb6e62f94f50887390f4b5e29c6e67cf7d2deb712c09d3c7e

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
SignatureDSKaKFqQzgvDdEB7qgIJwgMyPBW2cZdONfdlJPoHM8b6a8iRNmrgk8mEqx5OKga950onEeH6SNUfTmu0BLLLAw==
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

2026-09-17T12:09:15.633514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014030
observed 696d2d23772844faaca85cd161a5cea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.614998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014030/manifest.json
observed 54b977b0acff5a1eb6e62f94f5088739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.596575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014030/publication.md
observed 8be8c5d12b9cbf23466890d544aed85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.578271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014030/publication.txt
observed 5fece1c72bd8174b9d1429ba175c3799...
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.