OpenTechnical

OT-2026-000063821

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000063821) never changes.

Identity and time

Publication numberOT-2026-000063821 · never reused
Internal UUID01a0ae8d-53b7-75d1-a55e-51c8942c0572 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063821
StatusPUBLIC

Content hashes

Canonical texte241cb0e4e331b5611fc31f8101c90f28d5dac5883bd67932b7fc9bc7d8efc16
Markdown293dd036ae1021b3356e76be0db1dea0223a462c9945d2b5be0ef2c77ad3eeee
PDF
Publication pagecc462be8de6c05e8d6a20255ed3c51c4a25158876f98b576830a98dfccfc2d1c
Manifestb0019befbd2976887eb95ed0d8b9ac01939663a4b942f2bb1c5678def5000978

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
SignatureXuWy8cbmqvjTcEYi5nPbk0DrAS1twIFSsm4SbFwAExC1bmBX0caocU3m7SLILU7jgiGaKdVBkusfGZ6RAqpiAg==
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

2026-09-17T10:36:50.582612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063821
observed cc462be8de6c05e8d6a20255ed3c51c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.563402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063821/manifest.json
observed b0019befbd2976887eb95ed0d8b9ac01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.545720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063821/publication.md
observed 293dd036ae1021b3356e76be0db1dea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.525316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063821/publication.txt
observed e241cb0e4e331b5611fc31f8101c90f2...
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.