OpenTechnical

OT-2026-000016005

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000016005) never changes.

Identity and time

Publication numberOT-2026-000016005 · never reused
Internal UUID01a0ae6e-0c4d-7f0b-bf50-47622ee839f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016005
StatusPUBLIC

Content hashes

Canonical text8fca923a397c3d34704fb6ef37fa3d71efde221946fd2ee26ef86f380c5f423a
Markdown4c84c7a7eb1ed4892a3a350d05efd86229560638eb89a6ec52dbafb12aea091d
PDF
Publication pagec046c1a515cc7935a80573a198125ffed32b18fb90b7cec104836f338b9137e4
Manifestac7458c357daa3b3778f21fa4085baa620ea4687d8e2790cf2464fd71df80db5

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
SignatureDAvjcWCakfEx9jphjn7aGPxRIgiCihBQvn/YcLzcE0oklFiz55EC4J/1TlCxC6v49PJX3YMrjHBWVbHaJXRHAg==
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

2026-09-17T12:05:32.273389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016005
observed c046c1a515cc7935a80573a198125ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:32.244041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016005/manifest.json
observed ac7458c357daa3b3778f21fa4085baa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:32.219469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016005/publication.md
observed 4c84c7a7eb1ed4892a3a350d05efd862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:32.194300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016005/publication.txt
observed 8fca923a397c3d34704fb6ef37fa3d71...
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.