OpenTechnical

OT-2026-000010287

Publication integrity record

Single cup vacuum gripper, single 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-2026-000010287) never changes.

Identity and time

Publication numberOT-2026-000010287 · never reused
Internal UUID01a0ae6b-cb7b-752f-bccd-22c215d7dd0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010287
StatusPUBLIC

Content hashes

Canonical textb23b8cc804a461a51d3f45a5c3b3b22511279c1c15cf7fa53c27bde8ccff5c4e
Markdown4c5fb4955acc066dc67d6aeda186c41de794b8b159937fae21dfc6d5cd64bec4
PDF
Publication page2aae99824d60b83399de9b6492b8dbfea1a01a27f392c3949171e5a2dffc8388
Manifest534982429e3a593d005cfa4f49f0cb374725d6502bd106aaee7870ff89d814f6

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
SignatureYsjX4j3ib6PtcUVn9ThiVC21BAPvLYayyUUS28B4MAWJaJTCmXm6Dh5LjLlTvFMt+x5/dnWOMWz/KbwJyvOpDQ==
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

2026-09-17T12:16:31.010837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010287
observed 2aae99824d60b83399de9b6492b8dbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.992931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010287/manifest.json
observed 534982429e3a593d005cfa4f49f0cb37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.973158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010287/publication.md
observed 4c5fb4955acc066dc67d6aeda186c41d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.954337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010287/publication.txt
observed b23b8cc804a461a51d3f45a5c3b3b225...
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.