OpenTechnical

OT-2026-000097714

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line 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-2026-000097714) never changes.

Identity and time

Publication numberOT-2026-000097714 · never reused
Internal UUID01a0aea1-92f5-773e-aa72-fe63e496606f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097714
StatusPUBLIC

Content hashes

Canonical text18f609a4f0195e9b82b5bea8e7bd5a9c8a313ffeda4ce19c7f30e2fa2aa6735c
Markdown227a05874ffe327ada0201b5eb80548542ec8f53ff171e3d3e27078544ce05eb
PDF
Publication pagea04b6c8db5c40233f4396de8c77e644c11d93b216ac87534599710fddc3e3f24
Manifest221b36e090132dd8d2b3e556b043fdb31d05def246a129ef3a6f86ed9074ad1c

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
SignaturexD4BVLciWhReo3+/5Thn4NLyBj0oqif7KYIA1QSzwlNGvRB6XptzvIcogjiaITddLpmfsWoroal8MQJtmBn7Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:44.604671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097714
observed a04b6c8db5c40233f4396de8c77e644c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.585773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097714/manifest.json
observed 221b36e090132dd8d2b3e556b043fdb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.568978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097714/publication.md
observed 227a05874ffe327ada0201b5eb805485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.551655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097714/publication.txt
observed 18f609a4f0195e9b82b5bea8e7bd5a9c...
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.