OpenTechnical

OT-2026-000076214

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000076214) never changes.

Identity and time

Publication numberOT-2026-000076214 · never reused
Internal UUID01a0ae94-6a6f-79fd-bb1b-26193177cefb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076214
StatusPUBLIC

Content hashes

Canonical textf40c9552e724275210c8939ca36133ef3fa6b730fc1413d1f6543bbf47f53bf7
Markdown5aeee1b4ef06e4148610282271f0ae3a6573340eb8927fcc5dad3fa7f3c5699e
PDF
Publication pagea8f7007d9304b755e2e4ef47f025a3f465fff2d75642d1e06fdd84d6e160939a
Manifest7b3dd650d4d226c17365275f8bd8129e57595b21caaae7c8e5cb1c831fe626a8

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
SignaturekE3pl9SV7ctGLnaTPhsCp+vy/QnRgoAt4fM80VHaJn2EfnKFBSCmdBsDtGhO1Yvz9P2gG7LEXUxKvUSvZCUIDQ==
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

2026-09-17T10:11:35.805024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076214
observed a8f7007d9304b755e2e4ef47f025a3f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:35.786057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076214/manifest.json
observed 7b3dd650d4d226c17365275f8bd8129e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:35.762794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076214/publication.md
observed 5aeee1b4ef06e4148610282271f0ae3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:35.742609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076214/publication.txt
observed f40c9552e724275210c8939ca36133ef...
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.