OpenTechnical

OT-2026-000051981

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000051981) never changes.

Identity and time

Publication numberOT-2026-000051981 · never reused
Internal UUID01a0ae83-e78e-7b13-b898-d3d69d15076a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051981
StatusPUBLIC

Content hashes

Canonical text28813b411f388004b1ae31401db1379a4d0684c8bba563bd01122f5704c6ca9e
Markdown82879051194b2d32d9ac91e71fb236f0e4353a8b0580ae87647a12a3b4a645c0
PDF
Publication page6cd00469fb78907355461db15e7549ee9265f32bf668ae8c349eb2fad7c653c1
Manifest5691c74da46f66965ae60c483d72bb7b6df35bfcb5b27cfd4897047e0cc13bb6

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
SignatureZoSlc/pyUWDNReYXIfu+ql3rIFw4+D9TMJi7HzIzrJ8baUHWNdMFm++9kjXtSZuZZnud3Hs9vnonVzTo6oD4DA==
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

2026-09-17T10:57:28.917980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051981
observed 6cd00469fb78907355461db15e7549ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.898287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051981/manifest.json
observed 5691c74da46f66965ae60c483d72bb7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.881867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051981/publication.md
observed 82879051194b2d32d9ac91e71fb236f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.864963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051981/publication.txt
observed 28813b411f388004b1ae31401db1379a...
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.