OpenTechnical

OT-2026-000065537

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000065537) never changes.

Identity and time

Publication numberOT-2026-000065537 · never reused
Internal UUID01a0ae8e-46f9-7361-923b-aa3c42fd6298 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065537
StatusPUBLIC

Content hashes

Canonical textf755f50d07d66b0344227e5937a841b51a88df8f575a14164304951354dbe94c
Markdown179519e49c983d7d9d6e17fa7253f3515fcb9ae082753d20d847f50be7ab8092
PDF
Publication page012913102bc499ff08ff742d7cc6c4f638e8ee61212f0b040b95b1d865243997
Manifestb84a524844c49901c17365b28de36563f0872858f825812104c734ac25b13e6d

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
SignaturehrW4EjYnPwhFDAOuDl2tB356F31wBRnwd6ipU+jgIpvpvkqFaFQSaJmWhlA8pWD0N8Su+9dbz3FbdivhprEBBw==
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

2026-09-17T10:33:50.308391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065537
observed 012913102bc499ff08ff742d7cc6c4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.289180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065537/manifest.json
observed b84a524844c49901c17365b28de36563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.267155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065537/publication.md
observed 179519e49c983d7d9d6e17fa7253f351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.244119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065537/publication.txt
observed f755f50d07d66b0344227e5937a841b5...
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.