OpenTechnical

OT-2026-000072425

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000072425) never changes.

Identity and time

Publication numberOT-2026-000072425 · never reused
Internal UUID01a0ae92-89d7-7fbe-ac0a-e73ee7915978 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072425
StatusPUBLIC

Content hashes

Canonical text18f2202cc612cad6dae72db27aa0908c2671423b38c9f8b308662250aa95acc8
Markdownf53e4da2a53e870b324f22394ed9c8f1b906871f41f7205655de1de53b9dc9ea
PDF
Publication pagec13857a8ccc17513bdd1cfceb8fc2227f660e002f5e41e1eb584dc778cea0dfa
Manifestcaf4857c2b79ff2cbcd49e968e4e79629df0563932b3a5cd251bb99cd6b7ee62

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
SignaturepFPCogxyjZH/o/bkDHM01NhVl5z8RNpKwSbV1RW2HGCpa6eiP0rG6AkeyQPRShEVTuPO7rnHUbPhFldMgg+2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:14.348731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072425
observed c13857a8ccc17513bdd1cfceb8fc2227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.333263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072425/manifest.json
observed caf4857c2b79ff2cbcd49e968e4e7962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.315876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072425/publication.md
observed f53e4da2a53e870b324f22394ed9c8f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.298034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072425/publication.txt
observed 18f2202cc612cad6dae72db27aa0908c...
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.