OpenTechnical

OT-2026-000033945

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000033945) never changes.

Identity and time

Publication numberOT-2026-000033945 · never reused
Internal UUID01a0ae75-df0b-7069-963c-399ec6ebf425 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033945
StatusPUBLIC

Content hashes

Canonical text61ae3312818c5df3ae141b12c94d8209e4c3e052e329ef1f1c22a1f1485985e5
Markdown6f889c92ba7a4e8e6b6317e3d43e467c2375ea818274535af47dd180606a4565
PDF
Publication page2b404bef3bbebf1519832d616fc419d7ccb22526435642a567ed2b9a16bb9050
Manifest452041c59fd67fd3d4ed8bddc3e4b5a9c97c4cae1cb52ba95048e6bb2190b944

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
SignatureElw5hBTPCd0A4onJHvfiellbjtNM5whjauA+Uv7YbOyRFfyODPzjRNI0zW1TStzju+0tI0ktZj63oGaSz2Y1AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:03.141401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033945
observed 2b404bef3bbebf1519832d616fc419d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:03.122166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033945/manifest.json
observed 452041c59fd67fd3d4ed8bddc3e4b5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:03.104073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033945/publication.md
observed 6f889c92ba7a4e8e6b6317e3d43e467c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:03.085902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033945/publication.txt
observed 61ae3312818c5df3ae141b12c94d8209...
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.