OpenTechnical

OT-2026-000066693

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000066693) never changes.

Identity and time

Publication numberOT-2026-000066693 · never reused
Internal UUID01a0ae8e-ce42-7497-9655-ae7b4b7a0d97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066693
StatusPUBLIC

Content hashes

Canonical text2368ebf79e74a0447ff34b6c1737205c88f26797db6dcb56e396eea69e70c011
Markdown2894a42c6271dc885225ee67f1a31dd4592af823b73a5eb6f9895cf7728d0778
PDF
Publication page8816428ea1718503587e8bdba175ce449c91c79bcd71c200dca6219bc81c3d88
Manifestdb0a0083f41a02deb9e96c01fdef9c751857085fc6e97b5bdc87421f75c72a27

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
SignatureKUnZcZVEW2VKCNxeiFq6RcTNJoevMGaNnl34c1BNbgPeUQYzxIilnYWt0ieaNfqFmDIdP/SCVHyunoH/XOi1Bw==
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

2026-09-17T10:33:05.576081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066693
observed 8816428ea1718503587e8bdba175ce44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.558149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066693/manifest.json
observed db0a0083f41a02deb9e96c01fdef9c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.539916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066693/publication.md
observed 2894a42c6271dc885225ee67f1a31dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.522043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066693/publication.txt
observed 2368ebf79e74a0447ff34b6c1737205c...
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.