OpenTechnical

OT-2026-000100464

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000100464) never changes.

Identity and time

Publication numberOT-2026-000100464 · never reused
Internal UUID01a0aea3-66ef-7060-a476-9882cc101edd · 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-2026-000100464
StatusPUBLIC

Content hashes

Canonical text06d61b8bd1419794c2990f6ba85fd66b8c8999e62fc9fda09b377762083ddd2f
Markdownd182e5c39408221b45c5e59d26ba7041d60bac83102b6c223cbe52cd3e2fc312
PDF
Publication page9b4e2e78900e8409daab5b9a9c2a1fae8e70e683c19f4438a67fb6eb4958ccf4
Manifeste8b1756d030c03dd9c985626dc034f2add11e77513a4bc491a8b3685fb9466a5

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
SignatureblGdQndKQXAW5sMpNiv/VJb2vwexir0aYV9jOHUUbRGJiHujWuywrroqC51KxCQ4NxkWlDTNDd5OoWz2fg12Bg==
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

2026-09-17T09:27:12.857333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100464
observed 9b4e2e78900e8409daab5b9a9c2a1fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.841461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100464/manifest.json
observed e8b1756d030c03dd9c985626dc034f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.823903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100464/publication.md
observed d182e5c39408221b45c5e59d26ba7041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.807732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100464/publication.txt
observed 06d61b8bd1419794c2990f6ba85fd66b...
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.