OpenTechnical

OT-2026-000039818

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000039818) never changes.

Identity and time

Publication numberOT-2026-000039818 · never reused
Internal UUID01a0ae78-d8d6-7e72-8a14-1bd671ceff29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039818
StatusPUBLIC

Content hashes

Canonical text68bd1820be981d7fcf028a6f365d21782c26442f69405fef05fb4d50529b0e4f
Markdown7be491d2328f8b34e120212a2c15f42427dc28ed104334cc235c740b9ad3c948
PDF
Publication page1b5ace674e5e3db7a376073374d9163f8c7f39063604ad90ae91e4e5be750bf2
Manifest2a2c293524149fcbacdb8e08f217768db68089af16f9b9e8bbada021556fdb28

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
SignatureOCkJifPM4J9Y13M9H7dbp1qbBsH4TczeNeTxRQ59GY9HVRQG+f3XFiBlzdV9f8RMrCksHdlkR/m7p81yHSt/Cg==
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

2026-09-17T11:20:03.409340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039818
observed 1b5ace674e5e3db7a376073374d9163f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.391766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039818/manifest.json
observed 2a2c293524149fcbacdb8e08f217768d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.373960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039818/publication.md
observed 7be491d2328f8b34e120212a2c15f424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.357297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039818/publication.txt
observed 68bd1820be981d7fcf028a6f365d2178...
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.