OpenTechnical

OT-2026-000017615

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000017615) never changes.

Identity and time

Publication numberOT-2026-000017615 · never reused
Internal UUID01a0ae6e-96f9-73a7-a9ec-b467d97ff935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017615
StatusPUBLIC

Content hashes

Canonical text976c6f1805a815ce1b9f87837af594273307bc49d7bb743aa627efdc348bdcc1
Markdown3fc1087ced743ef69fc1566ebbbf072a64a54b460ab175d899558342e23346dd
PDF
Publication page27e1b45c7565c593bdc039d76de1b2e9b900a4322174e713807f3a8fd6ebb81d
Manifeste104fcd0f421d4462a3ed1f3b9c38ac719984619b8e37d8ea4fdcfbe392d6e28

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
SignaturerPVG3n7k73AquCrx67BkOpMXFkQQksZTSmPz/xCBwTnM5CdrN/J+brnLk9hXOY8zgi3wFl4jYMzjLTnmnM1BDA==
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

2026-09-17T12:01:25.382487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017615
observed 27e1b45c7565c593bdc039d76de1b2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.365180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017615/manifest.json
observed e104fcd0f421d4462a3ed1f3b9c38ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.349571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017615/publication.md
observed 3fc1087ced743ef69fc1566ebbbf072a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.334003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017615/publication.txt
observed 976c6f1805a815ce1b9f87837af59427...
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.