OpenTechnical

OT-2026-000089589

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000089589) never changes.

Identity and time

Publication numberOT-2026-000089589 · never reused
Internal UUID01a0ae9c-1a21-7f29-98e2-7549df113aed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089589
StatusPUBLIC

Content hashes

Canonical text8640d61aa68c386a57f3a8d1e55e3df89f88dbd67d3efabe3d04fbb08ac0c18e
Markdownbc004643815ec6d4c9e0194ef69daf4dd76dab6c13022f984d81d2ab11c3a08b
PDF
Publication page3c8014ab8311ef936bdf3d1213bddbf6cea8ccf7a5d1bc48dc6448552292f2ab
Manifestae3fad5ce221966bb103f4d9d38a89d58b2cf82385dbc26f113628a7a0df7887

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
SignaturehGTHuwTw5A2awmyk6x+U1FfmUj6/u5yBYJ2yDTXCjN6pxEhqaMOwu9e3xmK+2MY7Gv8vzocMdMPmg/u3f+arAA==
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

2026-09-17T09:46:33.931374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089589
observed 3c8014ab8311ef936bdf3d1213bddbf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.914578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089589/manifest.json
observed ae3fad5ce221966bb103f4d9d38a89d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.896883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089589/publication.md
observed bc004643815ec6d4c9e0194ef69daf4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.878781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089589/publication.txt
observed 8640d61aa68c386a57f3a8d1e55e3df8...
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.