OpenTechnical

OT-2026-000073692

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000073692) never changes.

Identity and time

Publication numberOT-2026-000073692 · never reused
Internal UUID01a0ae93-2b8c-7932-98e2-54f2c605b16c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073692
StatusPUBLIC

Content hashes

Canonical texta6ab3e4e3617e41217e1ed02aae6fa6083c21a303f1df0aba127a8a2890a616c
Markdown75d874d62ca7032282db06a55307a902cfbd5ec29476293c2f20fbdc4cbaba8d
PDF
Publication paged5385316bdd18d59be0d4d05f51538a8e106978d7c5f6e41a18bb0e96c09ee63
Manifest898040ab4003d8c3b8179c66454b31629542c21f2cbac4793691e32741139062

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
SignaturencOoLB2LHQ++sFRhqsQAX6KLE7UuWJ1Gb+NlrEBuAfrwgdsTWPvTVqcIxRQTxNJQ5nMneFF+agYGChBEctxEAQ==
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

2026-09-17T10:19:45.359806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073692
observed d5385316bdd18d59be0d4d05f51538a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.340946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073692/manifest.json
observed 898040ab4003d8c3b8179c66454b3162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.320539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073692/publication.md
observed 75d874d62ca7032282db06a55307a902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.302115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073692/publication.txt
observed a6ab3e4e3617e41217e1ed02aae6fa60...
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.