OpenTechnical

OT-2026-000031003

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000031003) never changes.

Identity and time

Publication numberOT-2026-000031003 · never reused
Internal UUID01a0ae74-3fb7-7645-a8d5-3e80ed6b48b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031003
StatusPUBLIC

Content hashes

Canonical text2830db81ffba3f53652a8708a9a13c85c4aa52283f50cac0a3edf44c62fb1998
Markdown8869c152ef3ca8a1eb9ea0324bbcd4d0f119c7f057c0ae6f8a1348253a87bcf3
PDF
Publication pagebc8ed4938bdd7c3d8270250c14c21dd22916a072efe652dc14b94e04cceb8f34
Manifest5cb6387c8b0f0f0b5022c74749f9c906a95730f441e35544cfba0f916251e3fe

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
SignatureYzkP8bTMwqOamCBXWuJa1yoKB3AUsoEbgdEWTRYG2JvBGb08k0LyGxYj7FXhp3Sy2cZ5VNjx+ILkwOkMVza/BQ==
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

2026-09-17T11:40:05.476571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031003
observed bc8ed4938bdd7c3d8270250c14c21dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.459032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031003/manifest.json
observed 5cb6387c8b0f0f0b5022c74749f9c906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.439107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031003/publication.md
observed 8869c152ef3ca8a1eb9ea0324bbcd4d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.420489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031003/publication.txt
observed 2830db81ffba3f53652a8708a9a13c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.608681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031003
observed bc8ed4938bdd7c3d8270250c14c21dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.589975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031003/manifest.json
observed 5cb6387c8b0f0f0b5022c74749f9c906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.572120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031003/publication.md
observed 8869c152ef3ca8a1eb9ea0324bbcd4d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.555606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031003/publication.txt
observed 2830db81ffba3f53652a8708a9a13c85...
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.