OpenTechnical

OT-2026-000070719

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000070719) never changes.

Identity and time

Publication numberOT-2026-000070719 · never reused
Internal UUID01a0ae91-8c2c-76ee-9c0b-cec4fc8c9189 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070719
StatusPUBLIC

Content hashes

Canonical text817af416db5877dad19cf26a68645f3d5d89c872314562b29804d473ed86cd00
Markdowna89971bd083eba7a86f85a97d17974f308b8f71d9d1dc8398fa48a9cc7d49379
PDF
Publication page43f6654f1bf8bb23826867bae2b082c9f5564d15611bcb5eb385d35ec898d232
Manifest5272245a64466fd4a59c26eba55e0cc0cf4977d1ecd390d7491f72c621483af3

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
SignatureOEoqWMACjxhUTAg7+hknqb+0KozTjteKOC0S9pMWl6sX1oVeQWOICBKk0Z9hNDKPDiDD+kNpeozH1g2EJ7EIDQ==
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

2026-09-17T10:25:24.673315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070719
observed 43f6654f1bf8bb23826867bae2b082c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.655464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070719/manifest.json
observed 5272245a64466fd4a59c26eba55e0cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.637008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070719/publication.md
observed a89971bd083eba7a86f85a97d17974f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.617928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070719/publication.txt
observed 817af416db5877dad19cf26a68645f3d...
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.