OpenTechnical

OT-2026-000099052

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold 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-2026-000099052) never changes.

Identity and time

Publication numberOT-2026-000099052 · never reused
Internal UUID01a0aea2-8287-76c1-9971-12e52114ef98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099052
StatusPUBLIC

Content hashes

Canonical textdb883da5a37d3bf3dbe49d717e5dd7b3d20b4c60d7b50a1d24fe4b8e5b6c7cbf
Markdown6540ca878505ef8f08570be6b1f299e50f089c4ac1b33923e9ace2ba570d4f24
PDF
Publication pagec962f5852f05db433b69214eba173f720af90dd8f13663919fc7eb6584ae9497
Manifested594571f2a3d9e0b776e6cf297d3d607ce9398e39f566ead664174a250c1c93

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
Signature5jsnhsolwa2zBDJNgMaVp8fgOjebehQKzdoashQ0EwLcqVDmV+izKSPfnX4fy0TADtpiB4xfs6jHpUJ2oyq0Aw==
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

2026-09-17T09:30:16.334016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099052
observed c962f5852f05db433b69214eba173f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.314620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099052/manifest.json
observed ed594571f2a3d9e0b776e6cf297d3d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.291876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099052/publication.md
observed 6540ca878505ef8f08570be6b1f299e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.272077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099052/publication.txt
observed db883da5a37d3bf3dbe49d717e5dd7b3...
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.