OpenTechnical

OT-2026-000056493

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000056493) never changes.

Identity and time

Publication numberOT-2026-000056493 · never reused
Internal UUID01a0ae87-7af4-73f1-ab24-c1a583a7f3b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056493
StatusPUBLIC

Content hashes

Canonical text00473203d2de11393b1a7e432963ceb17bc303e2054e94a19b9f6ad8bdd58525
Markdownd864495692e1927515e62aa82aa7e32176a6c6ab1e9b8a3a9b41e3e1c618b8f2
PDF
Publication page0b263869a98eeb72570de1378d3264f093b6e91b31e1c68b6f47171f05f6ba0d
Manifestd8ca1df9d7c1f497ca4a1e5b0f714e9e31def42383033839430db48bc25ad0f0

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
SignatureVOsihrqLPjpzZ6zhfbn0uSZx+00rIyLkwktskEjyqlzpVnnKLxstar6gjefIy6M9ypmiyYisdxNecJ/hJacZDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:48.593719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056493
observed 0b263869a98eeb72570de1378d3264f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.576743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056493/manifest.json
observed d8ca1df9d7c1f497ca4a1e5b0f714e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.559241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056493/publication.md
observed d864495692e1927515e62aa82aa7e321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.539430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056493/publication.txt
observed 00473203d2de11393b1a7e432963ceb1...
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.