OpenTechnical

OT-2026-000036258

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000036258) never changes.

Identity and time

Publication numberOT-2026-000036258 · never reused
Internal UUID01a0ae77-01cf-736f-871b-de43bb9b3d80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036258
StatusPUBLIC

Content hashes

Canonical textc12bb999158ea3a3278ff60bdea6efd993ac553a032feef964ed2edb6eb6c47e
Markdown89caf7c78650b78673e09b595a2864a52220badaf7a8ac42f6ecc001d6b7e966
PDF
Publication pagec4a7a60c1f29d1518c9ab34b5106f5abea8e4c54c269b85e53b7268a3d1f5bb7
Manifest0736b6e57e44a71af990f9aff8ef2b8971d106f6a76bb611759281df09913d99

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
Signature3RmabTWZvZkhJe2/D4gMRqgZmsY04s39ASR/nftN7+GaYseAYgUTkXQn5F37zisQYiqjUOVqyz0xoceJoIOBCQ==
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

2026-09-17T11:26:30.883093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036258
observed c4a7a60c1f29d1518c9ab34b5106f5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:30.865118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036258/manifest.json
observed 0736b6e57e44a71af990f9aff8ef2b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:30.845573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036258/publication.md
observed 89caf7c78650b78673e09b595a2864a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:30.826874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036258/publication.txt
observed c12bb999158ea3a3278ff60bdea6efd9...
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.