OpenTechnical

OT-2026-000030222

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000030222) never changes.

Identity and time

Publication numberOT-2026-000030222 · never reused
Internal UUID01a0ae73-e500-7c53-b87f-b8a21cb7aa42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030222
StatusPUBLIC

Content hashes

Canonical textcb25d3d8619933c7e2e04e027653b8023de4f2db59208b74bb50b1719eb55bd2
Markdown292219e4a098ce6f995b78b594866f7d9ed3c10455e79b5069659d5ae6d8f4d7
PDF
Publication page80ab0e4db9d65093ef647e75bf4a148ce1443b5b777b73304e255e0708bf252e
Manifest746100557be132031288a9cba5b8c662f554323b6e4b2228d4b3965be7de67c4

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
Signature9p51Q6HVGTxRfk5ZwAVFrd0czoie36qCFUBavKQ4lBhduar3DYgXizSbcibICnIdqA3LybjArxBevojkVnpCCg==
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

2026-09-17T11:40:35.910111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030222
observed 80ab0e4db9d65093ef647e75bf4a148c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.892152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030222/manifest.json
observed 746100557be132031288a9cba5b8c662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.871179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030222/publication.md
observed 292219e4a098ce6f995b78b594866f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.850953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030222/publication.txt
observed cb25d3d8619933c7e2e04e027653b802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.394014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030222
observed 80ab0e4db9d65093ef647e75bf4a148c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.376057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030222/manifest.json
observed 746100557be132031288a9cba5b8c662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.359137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030222/publication.md
observed 292219e4a098ce6f995b78b594866f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.341047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030222/publication.txt
observed cb25d3d8619933c7e2e04e027653b802...
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.