OpenTechnical

OT-2026-000075424

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075424) never changes.

Identity and time

Publication numberOT-2026-000075424 · never reused
Internal UUID01a0ae93-f201-7a92-a257-47221c0aaf5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075424
StatusPUBLIC

Content hashes

Canonical text33a88b1fe4012f6a0fda817c458d61c274d9efcbfbd00b027f648470cd68b010
Markdownf2b3e1213cef5e496229842d96100ce5fe2dbb1b9014eb228b9775df042ab3e7
PDF
Publication page0f07eb2ce875d8502f77f781fc6287d02a99f36b4db5f61a87e76bd65b286daa
Manifestf0735c4a7b9aa81850758746a03cfcae6d08d165a3642c22870e83058219bd2d

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
Signature1o1s0dZ/4P9zhT3rwwy20RCc+uSwTyrZapsvWYNzynSlQh7jY30ots6Y3XqouJJQIoV5+8hZrC0z3YlBICEbAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:35.299639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075424
observed 0f07eb2ce875d8502f77f781fc6287d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:35.280190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075424/manifest.json
observed f0735c4a7b9aa81850758746a03cfcae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:35.261894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075424/publication.md
observed f2b3e1213cef5e496229842d96100ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:35.242846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075424/publication.txt
observed 33a88b1fe4012f6a0fda817c458d61c2...
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.