OpenTechnical

OT-2026-000076640

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented before 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-2026-000076640) never changes.

Identity and time

Publication numberOT-2026-000076640 · never reused
Internal UUID01a0ae94-b06e-7235-9412-12b3ae6d6e07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076640
StatusPUBLIC

Content hashes

Canonical text5b33622ca651902a053a006fd2a53a623225b2eb8d5486dc563e3c931b77a477
Markdownab62544c9553d002ea1c5bbbe514881cfc8381884c50707e42ddb77453cfcc00
PDF
Publication pagee1ca04401336b5e393e4b0fa827c05b065215c8f0b6ce210852b77334507523c
Manifestdfff725bec616e4deaf18387b650b94c061280b6e532a0af1cec8f3d46e624ca

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
Signatureajtf8G7uAW89rhYS38dwdJ19gfek7QXNr9dLc9+e46vmwJd2fcrkjRzzPGUwfXQKsC22sgBQkkQgHBtb+C7dCg==
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

2026-09-17T10:09:14.841160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076640
observed e1ca04401336b5e393e4b0fa827c05b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.822686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076640/manifest.json
observed dfff725bec616e4deaf18387b650b94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.802680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076640/publication.md
observed ab62544c9553d002ea1c5bbbe514881c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.785616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076640/publication.txt
observed 5b33622ca651902a053a006fd2a53a62...
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.