OpenTechnical

OT-2026-000045337

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045337) never changes.

Identity and time

Publication numberOT-2026-000045337 · never reused
Internal UUID01a0ae7c-f76b-7b0c-921a-540f174c604f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045337
StatusPUBLIC

Content hashes

Canonical text569ffe3ce0fca68b1105fb285673371b50603fb7d266c47b3bc820d203153f70
Markdown9f11963228973bd1bacafe3476590368cf84f8dc456efc177194ea8517e72874
PDF
Publication page20365f650cee83f64ce075e81ce9ac40be0986bbd3b959e67f857fc3f589def0
Manifest60ee5a6b7d6722f23065d202b499be7d54b8431011f271d9710798736453d82d

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
SignatureoYg4to/dnIaL3TUm6xWv21Xvj0wiehcn1PCUveRiYDoyR/iNZJr2Gz9YSjRRQcD3KrCC+lwy21aiEPQ4Buw+DQ==
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

2026-09-17T11:10:35.747018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045337
observed 20365f650cee83f64ce075e81ce9ac40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.729150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045337/manifest.json
observed 60ee5a6b7d6722f23065d202b499be7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.711616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045337/publication.md
observed 9f11963228973bd1bacafe3476590368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.690793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045337/publication.txt
observed 569ffe3ce0fca68b1105fb285673371b...
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.