OpenTechnical

OT-2026-000015887

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two 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-2026-000015887) never changes.

Identity and time

Publication numberOT-2026-000015887 · never reused
Internal UUID01a0ae6e-0c4c-72c8-b533-603adbcd10a4 · 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-2026-000015887
StatusPUBLIC

Content hashes

Canonical text40002600a7131d5813831d3d654d46070bc3e288b0cdbad80ef27f5e46f16452
Markdownaa011fa720e662374b2d91f2f11d84a426f45b8a9334acda4ccb39a4a14d2e3c
PDF
Publication page8f2c1cc8140eba2ef57961d33c22fecde28bb3d0072a8c1339aa1b144355ae62
Manifest1223bb104296d9f63a13fcbab3f64442e0ea556d0fa432a9c7e7a6bb0918c351

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
Signatureueg1WloTwV1JrFqwxV9rTCQq8E9pZ4eiQfYSwvTJRNJJpvBRAo4R9dAc8W5KLHhvkCYFbVGqgZeBGQf6LKJGCQ==
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

2026-09-17T12:05:20.449185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015887
observed 8f2c1cc8140eba2ef57961d33c22fecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.427908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015887/manifest.json
observed 1223bb104296d9f63a13fcbab3f64442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.410416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015887/publication.md
observed aa011fa720e662374b2d91f2f11d84a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.390551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015887/publication.txt
observed 40002600a7131d5813831d3d654d4607...
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.