OpenTechnical

OT-2026-000083493

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, sustained 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-2026-000083493) never changes.

Identity and time

Publication numberOT-2026-000083493 · never reused
Internal UUID01a0ae98-0415-7716-90c2-236aa341234b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083493
StatusPUBLIC

Content hashes

Canonical textb27a8a933bd53aae42be28216b2ca0561a5c8dfe642cd892ec59d19db2f004ab
Markdown89c1eeade55043fda3bd9db598433906548555a4d8ed1e3341637efde2092ec3
PDF
Publication page455064b6c14b1ced799f4ff8e825d83a6fef94b783c824af772af238c83bb00f
Manifest3cae92db3f81492791a470192dec3e3cb81cb1da25919bc1484f38547481084c

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
SignatureUIIzBf2vZAkRLeiW25shh9a4RciKN5m8uQCTVYcAK4e+w5PxODmpGpRtXqWP7OGB4jEZl03+R3ShdRALQEjoBA==
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

2026-09-17T09:56:28.046552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083493
observed 455064b6c14b1ced799f4ff8e825d83a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.027515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083493/manifest.json
observed 3cae92db3f81492791a470192dec3e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.008988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083493/publication.md
observed 89c1eeade55043fda3bd9db598433906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.991359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083493/publication.txt
observed b27a8a933bd53aae42be28216b2ca056...
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.