OpenTechnical

OT-2026-000072232

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000072232) never changes.

Identity and time

Publication numberOT-2026-000072232 · never reused
Internal UUID01a0ae92-47c2-7f5b-a24e-2fcae04be10f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072232
StatusPUBLIC

Content hashes

Canonical texte57b35588f0cb98ef73d563931133a0691087449e7f97653117f61a752677f12
Markdownf82672d88ae247c47748046b437772a42b3d8a91bd0f9bf15038f5ff0ff1a33a
PDF
Publication pagee098546d5c76c72c3a076b1655fd734a35ea5e8120b7581a5ef5489f1259811a
Manifest5a056e06743204934669868c6100b0c9e54bf8cdd4db2c283c8cca39aa2b1144

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
Signature2PCm14dv4lgXsDneDoSPny6Vzto6V2PGo5SBw3XDQRfCae0URo/q5ABBnYQaBhG10CyWfUdVKDVY3QNAq97RDQ==
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

2026-09-17T10:23:20.276847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072232
observed e098546d5c76c72c3a076b1655fd734a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.261672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072232/manifest.json
observed 5a056e06743204934669868c6100b0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.244918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072232/publication.md
observed f82672d88ae247c47748046b437772a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.226763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072232/publication.txt
observed e57b35588f0cb98ef73d563931133a06...
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.