OpenTechnical

OT-2026-000073660

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000073660) never changes.

Identity and time

Publication numberOT-2026-000073660 · never reused
Internal UUID01a0ae93-2b8c-7827-abdd-98c9870544cd · 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-2026-000073660
StatusPUBLIC

Content hashes

Canonical text818c8ccaf8b45987019b9b7fa3fa6058bd1b3ff7e40f44b4e88f4ed5f3104c52
Markdownc40fef7eb9cba3d726f83b20c5cd5bfc4fece4c14c7336f132956c2c17d2c6a4
PDF
Publication pagef5bc9cf65af0da720bef1021c4bf1fc1346358863c28ccb7130f06968a36304d
Manifest31fc3543993789a5250e4ba3e50b0a8459a59e5fcb23e6c724dd9536584925ea

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
Signature9fewitMWcPDdBylvJP9/g3az50S517ZUfLlQkG740zbmpSXmshAycuXD+xDo9+cRctWDAXFszZ2ZbTJADMoXBA==
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

2026-09-17T10:19:42.734835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073660
observed f5bc9cf65af0da720bef1021c4bf1fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.715123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073660/manifest.json
observed 31fc3543993789a5250e4ba3e50b0a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.694770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073660/publication.md
observed c40fef7eb9cba3d726f83b20c5cd5bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.674455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073660/publication.txt
observed 818c8ccaf8b45987019b9b7fa3fa6058...
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.