OpenTechnical

OT-2026-000079380

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000079380) never changes.

Identity and time

Publication numberOT-2026-000079380 · never reused
Internal UUID01a0ae96-0b90-7535-89b7-33a3389ffb5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079380
StatusPUBLIC

Content hashes

Canonical textbba47d16649fad4ec410db961b8b92ab65727bcda316d1fa4ae10820b521e905
Markdown6576bad6f65d2506f9db1dd9bf6560aea20e820d8f961fe2e0d82f518fcd6a47
PDF
Publication page408f4383288a0565f9b0a821085cda223a055e9d4c23edf77dd04628b66487bd
Manifest5f4f767eaab94441b5a791bf74af7f28eddea4fb1c93d57d6050b4409ec85058

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
Signature/3AO95iRSThEm+BVdjy9ICio/pZ1A9nW96DtcKsz4/FpfKDj2CHU0xkERAw/VEKZI+ibPjMOVj6Sy+onsKmCBg==
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

2026-09-17T10:05:00.066941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079380
observed 408f4383288a0565f9b0a821085cda22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.050058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079380/manifest.json
observed 5f4f767eaab94441b5a791bf74af7f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.033507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079380/publication.md
observed 6576bad6f65d2506f9db1dd9bf6560ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.014987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079380/publication.txt
observed bba47d16649fad4ec410db961b8b92ab...
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.