OpenTechnical

OT-2026-000077110

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000077110) never changes.

Identity and time

Publication numberOT-2026-000077110 · never reused
Internal UUID01a0ae94-f507-71ac-9ccf-77bcc0f9815c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077110
StatusPUBLIC

Content hashes

Canonical text0f63e743c7c03749431e9ff95d69f188a4d08cba7a761b10b947ab6179111cfe
Markdowned44f9b8f1430ee83eec69e4758cc7ab72706109812b36b94d7ffe24fd3674d4
PDF
Publication page28ee33905ed8d94b6e31175ada6818ec5cff429d33037e87a02300fbd66948f1
Manifest264424cf3bb9c1629e8d3004d10fb27efd1c9b4e00c66ae4cc23eee1959b9543

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
SignatureE1lZlL6H1d1C3A9dkHilk/AYbRWEpIaGrRY5P/ET+EkkB2QmuIHiEGbw936UjaKEjt9YpalpcKUS1TrIGg5GAw==
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

2026-09-17T10:11:35.501450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077110
observed 28ee33905ed8d94b6e31175ada6818ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:35.483386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077110/manifest.json
observed 264424cf3bb9c1629e8d3004d10fb27e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:35.466427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077110/publication.md
observed ed44f9b8f1430ee83eec69e4758cc7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:35.446929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077110/publication.txt
observed 0f63e743c7c03749431e9ff95d69f188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.558353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077110
observed 28ee33905ed8d94b6e31175ada6818ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.540390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077110/manifest.json
observed 264424cf3bb9c1629e8d3004d10fb27e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.521813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077110/publication.md
observed ed44f9b8f1430ee83eec69e4758cc7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.503140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077110/publication.txt
observed 0f63e743c7c03749431e9ff95d69f188...
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.