OpenTechnical

OT-2026-000033388

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000033388) never changes.

Identity and time

Publication numberOT-2026-000033388 · never reused
Internal UUID01a0ae75-8980-7375-ae32-d1d0d700cdd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033388
StatusPUBLIC

Content hashes

Canonical text53c2da61c21f841649ec5f7a3bcbd3877eb5ebeb1ed13352253abc836c8ef427
Markdown5841f0b916805dbcae1d0950b149f4c1b1b69cf3203295f30b227e09b4325689
PDF
Publication pageb8b36c0cc5bc27c308fe17630dc6fb8260847a5e437c26489778320f20af70de
Manifest523b3db23df05fd8f5699bd6c0a42792610734fe16817e2b338dd69973074d36

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
SignaturefAPQt2ZuvJrGcViY9ozXKrH8wv3UpKH3i2W10scepEhzIYP5u3NJyG1k4HrQ1kF3O6GA9ooBRAzNf4P9gDC1Cg==
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

2026-09-17T11:32:09.833111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033388
observed b8b36c0cc5bc27c308fe17630dc6fb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.815778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033388/manifest.json
observed 523b3db23df05fd8f5699bd6c0a42792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.795686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033388/publication.md
observed 5841f0b916805dbcae1d0950b149f4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.776953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033388/publication.txt
observed 53c2da61c21f841649ec5f7a3bcbd387...
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.