OpenTechnical

OT-2026-000072568

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000072568) never changes.

Identity and time

Publication numberOT-2026-000072568 · never reused
Internal UUID01a0ae92-89d8-7f2b-9709-4388b46ccc74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072568
StatusPUBLIC

Content hashes

Canonical texte08d8cbffdccab40092c0a1e0915a746ade7649f4e6177bc2310fe3efbf945fc
Markdownc929ebcc0342ee521d4bea67e3f4b5cb12488b6b77bcceff52fe3674997278d8
PDF
Publication pagecdd71bedf785b6b62440eb49ee16665850e1d8a835b26e4f456c19f5959f1ff2
Manifest12470c35aa65c54975f562f48b9b04cfcc2cfa8938b38b33de75164aa56f41a3

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
SignaturedsrTINHe5bdlqtmxSaMoFKaMriqGXDG/jgSmzXnIL1NdUtHT6tSdB8lhDDnZkHuSzai204nkTGIvR1GrJF1vBg==
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

2026-09-17T10:22:24.389797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072568
observed cdd71bedf785b6b62440eb49ee166658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.372494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072568/manifest.json
observed 12470c35aa65c54975f562f48b9b04cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.354986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072568/publication.md
observed c929ebcc0342ee521d4bea67e3f4b5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.337534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072568/publication.txt
observed e08d8cbffdccab40092c0a1e0915a746...
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.