OpenTechnical

OT-2026-000077589

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000077589) never changes.

Identity and time

Publication numberOT-2026-000077589 · never reused
Internal UUID01a0ae95-2ece-7aab-85ab-01c14d194163 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077589
StatusPUBLIC

Content hashes

Canonical text81faa63ec44d24bbd27f4e9eeb2656c122e275f6e15990cf016270d66b5e697d
Markdown647cf4533dbc27c86f4adcea1a91f7308ec5551cf3e503af28f70e62eab705ef
PDF
Publication page40e5979bfff70db799a22e8c4f631ea2acfb753d3ae2025658de95b04093eebf
Manifest29b51d7655e226dee75214d5f63b0a1d85f5a550d163fd23d5dde6d7737e24ae

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
Signature+pD7vtI2ygUd8k4fZzHzyLnThRT0bf8fjyaMnAwk2n3tczxe5HVAmNIV8P7NJ3Hp3u0kr77a3VhaS4dyrxHPBA==
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

2026-09-17T10:07:04.196598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077589
observed 40e5979bfff70db799a22e8c4f631ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.179060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077589/manifest.json
observed 29b51d7655e226dee75214d5f63b0a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.160050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077589/publication.md
observed 647cf4533dbc27c86f4adcea1a91f730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.140930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077589/publication.txt
observed 81faa63ec44d24bbd27f4e9eeb2656c1...
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.