OpenTechnical

OT-2026-000031811

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000031811) never changes.

Identity and time

Publication numberOT-2026-000031811 · never reused
Internal UUID01a0ae74-bad1-7398-a606-53a1b2e5849c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031811
StatusPUBLIC

Content hashes

Canonical texta1c13e539b2ab5f2d91e84740153b39c12a47eb51bfddc6e25bfe0f74bdd3237
Markdownb9f158f05de537d0ece18dad8530c4040a724b06db8e4e4728eb934f5e3adfd6
PDF
Publication pagecf89d48b80683e9142082c55084bb633e60b215e0b6fcba06f940e6a83a06278
Manifest3ae4fcda5695fad1917a74cbb44ad0d339614125d72209ab66ddbfa865733e04

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
Signature2ei1Dr50M+j9f7cTfJdBsk4jDdp7LvFGyALG1gjGQoJFybhqEpM0xQjXo3pdlJr9gS2xpmFVRhl30LAPRm3PBA==
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

2026-09-17T11:34:58.102202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031811
observed cf89d48b80683e9142082c55084bb633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:58.074846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031811/manifest.json
observed 3ae4fcda5695fad1917a74cbb44ad0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:58.046487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031811/publication.md
observed b9f158f05de537d0ece18dad8530c404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:58.007266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031811/publication.txt
observed a1c13e539b2ab5f2d91e84740153b39c...
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.