OpenTechnical

OT-2026-000070488

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000070488) never changes.

Identity and time

Publication numberOT-2026-000070488 · never reused
Internal UUID01a0ae91-545f-7a5a-a4cb-2b8dba459222 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070488
StatusPUBLIC

Content hashes

Canonical text9bf6c96d958df2610e777c8a0cdee8af7c4fe9674342236fa8b89837db6e11d8
Markdown85a9af15653288e3afaa91452ea94439e4beb7ba588a9c1d7510882e939bb5d9
PDF
Publication page2cefd35223c5cf4761a2846493233309e725d7c8cf2c5e49b22f4bf778e012c7
Manifest823cb158a5a13a0b34d80d1cf93df1576c72f51d8111cb8bd9456add987f2388

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
SignatureTuPBxS6kQvwy6zJcOlh4avTA/Nm/TLf08EuHqqSlnwDZZngKKqyRlC/TQupWGnFjHQfHytOmzB1W6lWxSPNuCg==
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

2026-09-17T10:26:19.310938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070488
observed 2cefd35223c5cf4761a2846493233309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.296494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070488/manifest.json
observed 823cb158a5a13a0b34d80d1cf93df157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.280312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070488/publication.md
observed 85a9af15653288e3afaa91452ea94439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.263293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070488/publication.txt
observed 9bf6c96d958df2610e777c8a0cdee8af...
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.