OpenTechnical

OT-2026-000033929

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000033929) never changes.

Identity and time

Publication numberOT-2026-000033929 · never reused
Internal UUID01a0ae75-df0b-7709-87d8-4c62d0422e50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033929
StatusPUBLIC

Content hashes

Canonical textb6f40559ad625fb83f466e856cc18c3122038038a3121b6b2ced38d2660aefc3
Markdown9e41655fa41e0232cd72281bf55d4535f552b26febf3ca083ccd0e706eb3fe1e
PDF
Publication page03caac740e42f74b78b97258537e458e32003d91b808d5e6d4d1e16088e47c6a
Manifestf55523ceaf881ffcfd1de44851e362106f836c83c0a6650ccff801e681a7477e

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
SignaturepOv7OIKU5jETTB419jtxdu42hWGrjujY64nce4U4oOQEP93ye6RP2zg4O4Z+tq5jPWpJsdhcPVb+Hr956YHuBg==
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

2026-09-17T11:30:46.925637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033929
observed 03caac740e42f74b78b97258537e458e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.911191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033929/manifest.json
observed f55523ceaf881ffcfd1de44851e36210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.894686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033929/publication.md
observed 9e41655fa41e0232cd72281bf55d4535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.879413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033929/publication.txt
observed b6f40559ad625fb83f466e856cc18c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.822569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033929
observed 03caac740e42f74b78b97258537e458e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.803655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033929/manifest.json
observed f55523ceaf881ffcfd1de44851e36210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.784835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033929/publication.md
observed 9e41655fa41e0232cd72281bf55d4535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.763579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033929/publication.txt
observed b6f40559ad625fb83f466e856cc18c31...
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.