OpenTechnical

OT-2026-000075454

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000075454) never changes.

Identity and time

Publication numberOT-2026-000075454 · never reused
Internal UUID01a0ae93-f201-7e4a-8aee-94b583b9a7f6 · 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-2026-000075454
StatusPUBLIC

Content hashes

Canonical text30ea132a08352d8bde2062ce59c55b5c5d822a2ba14c963f7f7b0103cbfbcab1
Markdown460690037d6c8ad45f3df68b811f59b57c4b11099e2a4af76559b98dfc66e4b7
PDF
Publication pageb40f5109ddb5b00d589e57858db0570e882ed1fecf7502d95f97758e98407e12
Manifest0fd46300401bc1b9115c5243ac4d495f2797c76a68b30259aa82163f51ed639d

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
Signature1PiUtL6lDwshSoFbZGlddOvhCJkYIf0Wu6XpVpaMeNYu+nbfWPabyB9eSZk/U+ztPlK/AD5SpvhkCTZN54mYCw==
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

2026-09-17T10:17:43.292027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075454
observed b40f5109ddb5b00d589e57858db0570e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:43.273657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075454/manifest.json
observed 0fd46300401bc1b9115c5243ac4d495f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:43.253363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075454/publication.md
observed 460690037d6c8ad45f3df68b811f59b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:43.234554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075454/publication.txt
observed 30ea132a08352d8bde2062ce59c55b5c...
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.