OpenTechnical

OT-2026-000017219

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000017219) never changes.

Identity and time

Publication numberOT-2026-000017219 · never reused
Internal UUID01a0ae6e-76c7-7f64-807f-404c5738aadf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017219
StatusPUBLIC

Content hashes

Canonical text1cb6ba3899bbeea8604f5c44af7c33fbfb41902ea521b651d60bc699d70c5879
Markdowna724e94b50da9821fec34bf8d754fbe3e459d658b34942f0b1e1a055d0a5a972
PDF
Publication page051c7d56bbeb7e5e95215cb178bceeedb1b9ee39209d2a3c0865d75a86a54164
Manifestd7cc56b6a9a3e231ad4070f04e9324f8c73ae99c8c2416903b09484ed4d007ee

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
SignaturecovzR5DApDA+vzSNoHen5cCFP2XUzGhQn1LSatOwQ+UZ9UdQyagXyxhMgJl9i4q8ctjCnVlGGlA815VxfJ9pCw==
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

2026-09-17T12:02:17.898936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017219
observed 051c7d56bbeb7e5e95215cb178bceeed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.882895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017219/manifest.json
observed d7cc56b6a9a3e231ad4070f04e9324f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.866285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017219/publication.md
observed a724e94b50da9821fec34bf8d754fbe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.848563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017219/publication.txt
observed 1cb6ba3899bbeea8604f5c44af7c33fb...
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.