OpenTechnical

OT-2026-000019614

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000019614) never changes.

Identity and time

Publication numberOT-2026-000019614 · never reused
Internal UUID01a0ae6f-1fb2-72fa-be68-ede41ef81f0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019614
StatusPUBLIC

Content hashes

Canonical text9ee82280912bd880bccee9b7008518d5b6a496bb38982a4ba2e068e8dc7861fd
Markdowne2104b1eaa92ca8517afc84d0948034c2c7ee8ba46303cdef00ca52d2716fd4b
PDF
Publication page4c0643803863ca652ee9f613a4cdef1a5f8ebb86c4244e204e35abf92d2f8250
Manifesta5c9bed647312d7198891f492f809b049afb983bf4594b0b2b8cceb4f2e35f2c

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
SignatureDzeKf9CWluhIeNeTQHrLnfdphvPzjGgp/14rrBRnnEN/Lx+oWHEiomZFuHQdhIMxielPAkKRW3sUnRmAseObAQ==
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

2026-09-17T12:00:45.484006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019614
observed 4c0643803863ca652ee9f613a4cdef1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.464717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019614/manifest.json
observed a5c9bed647312d7198891f492f809b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.447289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019614/publication.md
observed e2104b1eaa92ca8517afc84d0948034c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.429751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019614/publication.txt
observed 9ee82280912bd880bccee9b7008518d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.858765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019614
observed 4c0643803863ca652ee9f613a4cdef1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.836004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019614/manifest.json
observed a5c9bed647312d7198891f492f809b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.817585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019614/publication.md
observed e2104b1eaa92ca8517afc84d0948034c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.794887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019614/publication.txt
observed 9ee82280912bd880bccee9b7008518d5...
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.