OpenTechnical

OT-2026-000072901

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072901) never changes.

Identity and time

Publication numberOT-2026-000072901 · never reused
Internal UUID01a0ae92-c814-7bb3-a373-1b31c4c846f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072901
StatusPUBLIC

Content hashes

Canonical texte32a82fbb2170ef011f50e2fead72bfad1c10f79de6d3ef65b7bea98aeb057f6
Markdown02e6e6ae6afe53bebf7e6098bc68b141e6f9cb969eb2e9bc8e1ffd02284cf7fe
PDF
Publication page9099098eb29d51ce8126afec3733e0c86388a3ecf0c283d63e1c4a0b21f4b895
Manifestb4d6d4e5cf495aee2089b607d6ef4c89eb00e036836b1d6339b0653d0d4d81c4

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
SignatureyGsQKG0JesE46/ZfOmiAEKRQMAqCicKETQ59vUscT6mmIGXu7Wwvg0vBUne+C6WsCE1FsA3wU47yDt9HmpzQCg==
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

2026-09-17T10:21:48.555834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072901
observed 9099098eb29d51ce8126afec3733e0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.538832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072901/manifest.json
observed b4d6d4e5cf495aee2089b607d6ef4c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.522231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072901/publication.md
observed 02e6e6ae6afe53bebf7e6098bc68b141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.505247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072901/publication.txt
observed e32a82fbb2170ef011f50e2fead72bfa...
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.