OpenTechnical

OT-2026-000015146

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000015146) never changes.

Identity and time

Publication numberOT-2026-000015146 · never reused
Internal UUID01a0ae6d-ef47-7251-874c-e1bdd0491ded · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015146
StatusPUBLIC

Content hashes

Canonical text1e5b1e30aabc1a2ad403b8ad7cafda569e7ee53bc594a2dbf24f6b3ffa3b2a9a
Markdownea9bdd1bb0d2cc4af6f02b9562354e46631e03d7d6ad3bc6da0d29536d37e7a0
PDF
Publication pagec721e633133999664c3fad314eb7f21bc23bfcd1c86d763a9f6385864da5f644
Manifestb5448122a0387dc086eabad2864cad294dc3dacdf41674287e6dfd868f6785d2

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
SignatureIzpheDCS+LjAFNc+ZPC/Vxkp+d7eJG2nu/8uyuVhu1E3fzFbU7YL4TtKT1LLc5EnfFAO1V+xicHEJaZZhNN8Dw==
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

2026-09-17T12:05:45.120893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015146
observed c721e633133999664c3fad314eb7f21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.099888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015146/manifest.json
observed b5448122a0387dc086eabad2864cad29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.077674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015146/publication.md
observed ea9bdd1bb0d2cc4af6f02b9562354e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.057397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015146/publication.txt
observed 1e5b1e30aabc1a2ad403b8ad7cafda56...
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.