OpenTechnical

OT-2026-000022367

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000022367) never changes.

Identity and time

Publication numberOT-2026-000022367 · never reused
Internal UUID01a0ae6f-f4fd-7ffd-8b38-33c14f170459 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022367
StatusPUBLIC

Content hashes

Canonical text4694ca8755eb2e28ba5743903ca25ec1b996a55d01a387d9d36339316c1ac56b
Markdown586c4582568879a562b85774de627559493cdceed444ba6eaa3658775694ac62
PDF
Publication page0677729183a2134c5c39534858712a7d93953575364098d4a27a2099306ed172
Manifestb1cbb9d55e7cc148e5aeff1c0a66fd6884853b263b101deb976b52f059253d2b

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
Signatureg3sHp3FlNpUW7hKvbysrb3yGwXqBJ1uoKaG4zXBi5PmOB4fARfZJpi4AGqHUjqk0p0d9OaM1fzKxrfJybcSrDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:44.168837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022367
observed 0677729183a2134c5c39534858712a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.149898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022367/manifest.json
observed b1cbb9d55e7cc148e5aeff1c0a66fd68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.130381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022367/publication.md
observed 586c4582568879a562b85774de627559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.112967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022367/publication.txt
observed 4694ca8755eb2e28ba5743903ca25ec1...
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.