OpenTechnical

OT-2026-000083072

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000083072) never changes.

Identity and time

Publication numberOT-2026-000083072 · never reused
Internal UUID01a0ae97-c962-71ad-ae6a-fe14dabbc446 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083072
StatusPUBLIC

Content hashes

Canonical text51b619177c3f44b33de1311245e534f4b68c9acbaa5037a849eddea513bc8851
Markdown09fda1fb7a1c1697e5a643e33ef9187cf676a7d896c0f7d23c3034568881eda9
PDF
Publication page2aa78ece514e7f011003e103354ecb17a25d017892965f23dfe231411d344336
Manifest11fe21cf4d0cfa0d6e92af9af27c12c93a4ace9dc1f4f4c1d2ef8764f1be553b

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
SignatureWj4fxQ7AGVBk/dmX13FM8wWET0Od2NA5VBInSa53U/1e4MhDhijSEFBizP3EIlXvc9yT9LgtLRyPMEmHvVm2AQ==
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

2026-09-17T09:00:31.649985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083072
observed 2aa78ece514e7f011003e103354ecb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:31.633875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083072/manifest.json
observed 11fe21cf4d0cfa0d6e92af9af27c12c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:31.616851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083072/publication.md
observed 09fda1fb7a1c1697e5a643e33ef9187c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:31.600190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083072/publication.txt
observed 51b619177c3f44b33de1311245e534f4...
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.