OpenTechnical

OT-2026-000037069

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000037069) never changes.

Identity and time

Publication numberOT-2026-000037069 · never reused
Internal UUID01a0ae77-7740-737f-8b16-8a8d03ca9b5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037069
StatusPUBLIC

Content hashes

Canonical text85129a68c388b8c77abfbcc8701046f863f64485c3aecf3e43d403aa3f0d3d42
Markdownf79279105cb978ad47315252d61809fb3b5815acea17d80561bc6ffabc308e1a
PDF
Publication page69b977fa74ee2606d95dbe5ae6e0fa303dc8c4c563788e24c5505ba409aad092
Manifestad996be3cee9071f61cd57b16db4fe45639928632ad3d953dfc4849f1c88dfba

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
SignaturekCQJ67wzB9oErIV+SD0CZ7gpwhorrN2lKmm6y29dNHA2eC7wLeGRkTROnlOarwzE3hL1il6J6ka5NutRGzruDQ==
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

2026-09-17T11:24:55.798492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037069
observed 69b977fa74ee2606d95dbe5ae6e0fa30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:55.783086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037069/manifest.json
observed ad996be3cee9071f61cd57b16db4fe45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:55.767395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037069/publication.md
observed f79279105cb978ad47315252d61809fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:55.749411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037069/publication.txt
observed 85129a68c388b8c77abfbcc8701046f8...
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.