OpenTechnical

OT-2026-000009418

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000009418) never changes.

Identity and time

Publication numberOT-2026-000009418 · never reused
Internal UUID01a0ae6b-7561-742e-b166-f2547b4872a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009418
StatusPUBLIC

Content hashes

Canonical text315495ff808acb23d6d87d2d4cce2dbfb95907c01fdab51b9f429f3b451f381e
Markdown989999bcc90020c198826dc78bd18869843f306b796b43ac54e3b4fd63777a6b
PDF
Publication page86824c3af6095117599facadd01c8150ccf876c9e632727d5eefd78d807de6d6
Manifestbe917b8f1e3baf7ac6d7aeb4f158b2904430c5173284b440d2acebbebfc6d71e

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
SignatureVUuyhdVAutqYSnoZlF7ROX0yy5poaWI3lt/6YPe9KvCIc+ofu0wRICprYY8pq0IDLYZOlpm5aE/uSbHTtC76Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:42.149407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009418
observed 86824c3af6095117599facadd01c8150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.131133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009418/manifest.json
observed be917b8f1e3baf7ac6d7aeb4f158b290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.112169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009418/publication.md
observed 989999bcc90020c198826dc78bd18869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.093031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009418/publication.txt
observed 315495ff808acb23d6d87d2d4cce2dbf...
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.