OpenTechnical

OT-2026-000083496

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000083496) never changes.

Identity and time

Publication numberOT-2026-000083496 · never reused
Internal UUID01a0ae98-0415-7309-8b8c-0f71ed0b039c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083496
StatusPUBLIC

Content hashes

Canonical text99dcbe73537948949d600fcae930cb842dcad1f97b399f9184004198065ef0b5
Markdown360805f8670afc2db4067b5f7c2db1e9c4577ec4ad97c5da49315ecd562ec48f
PDF
Publication page5aea553d4a7c014c6e0bfb2ba6abc80a815ff8ac0e84ad4097c39ed1b9b699ec
Manifestf3ba96af5656ab42f22772a36aa54fce0276e31e6b9e83015ab313995fdac373

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
Signature3OubxkaT7YI0HfU+0tibUfsmHdZveMmlq8gew4QjxSsdJJGm5XD4sXdI5wi9XrBzhJQwMgez9WZpmr9S8OPDBg==
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

2026-09-17T09:56:28.265417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083496
observed 5aea553d4a7c014c6e0bfb2ba6abc80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.246891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083496/manifest.json
observed f3ba96af5656ab42f22772a36aa54fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.229658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083496/publication.md
observed 360805f8670afc2db4067b5f7c2db1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.212073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083496/publication.txt
observed 99dcbe73537948949d600fcae930cb84...
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.