OpenTechnical

OT-2026-000100599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000100599) never changes.

Identity and time

Publication numberOT-2026-000100599 · never reused
Internal UUID01a0aea3-66f2-7ab0-9658-51eb97735921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100599
StatusPUBLIC

Content hashes

Canonical text960626a4cdebc7d061eb62c69b482022f64f668ab5f7dcbb2ab25afd5b0cd48f
Markdown18869b57c4d81e835a9fd3a5fad59b51111ee7bf9b73267b7a448c776cff0c9f
PDF
Publication page8707381ad7ace3101580101413ad8cd99fc6505c631f2584d0eb6953b0addbb8
Manifest06874700f5d54b6ebb9653c1b5d8ad0c224725360681252adb3e377e48d15361

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
Signaturef+EcaeHjUqA4cle47iC7VWdCdMZL1iKauTWOD0UK3ZhANtFvsvxAKwvc5VrnGP1lsXkD8ijO0+s96fqtahqgAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:23.394102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100599
observed 8707381ad7ace3101580101413ad8cd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.377133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100599/manifest.json
observed 06874700f5d54b6ebb9653c1b5d8ad0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.359488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100599/publication.md
observed 18869b57c4d81e835a9fd3a5fad59b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.340677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100599/publication.txt
observed 960626a4cdebc7d061eb62c69b482022...
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.