OpenTechnical

OT-2026-000062861

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000062861) never changes.

Identity and time

Publication numberOT-2026-000062861 · never reused
Internal UUID01a0ae8c-94a8-7459-9e3a-09060de0acda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062861
StatusPUBLIC

Content hashes

Canonical text55ef1db43af387adc80e95fb4e639f070685cacd45a915fbb45379a54ff72edc
Markdownb0419fc9bd961fc9d80ef60c7a51f917940201f34f8593d409b8ca9e76e840a6
PDF
Publication page7138d137462f9be6b61ab56c3f80b1096fd719b4b4b2f5207f2854c56a86a54f
Manifestc526779d09a13ec70eb0bae1925793ba29686076af30ab4a87a4df0912faa696

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
SignatureOUaeHPpo7jN6gdjQRjUCIK8kqXRwMw1BXYY3q58ek+8uNApThwfhGC5q/YCVjzl1ap07TsUQ5QXB2UYkBnhlBA==
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

2026-09-17T10:40:12.682110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062861
observed 7138d137462f9be6b61ab56c3f80b109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.663254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062861/manifest.json
observed c526779d09a13ec70eb0bae1925793ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.644549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062861/publication.md
observed b0419fc9bd961fc9d80ef60c7a51f917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.624760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062861/publication.txt
observed 55ef1db43af387adc80e95fb4e639f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.613601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062861
observed 7138d137462f9be6b61ab56c3f80b109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.596728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062861/manifest.json
observed c526779d09a13ec70eb0bae1925793ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.578375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062861/publication.md
observed b0419fc9bd961fc9d80ef60c7a51f917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.557744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062861/publication.txt
observed 55ef1db43af387adc80e95fb4e639f07...
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.