OpenTechnical

OT-2026-000069762

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000069762) never changes.

Identity and time

Publication numberOT-2026-000069762 · never reused
Internal UUID01a0ae91-185f-708a-be29-506fb3ce3cd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069762
StatusPUBLIC

Content hashes

Canonical textf31f49756c8b7dc87a8576b171c70d03ad748ad6296c507adf2628f01737c05c
Markdown49457ec5b2abd918d6f75c61c7587e02764ab84e49e90aff13198332971c9873
PDF
Publication pageffcd6653ed909a719873496a8949e20f66da79a97a393af2c4d0b758c3a4fb0a
Manifestc3943ce0cf6294be9989409354b565ed4bd003a4cd15e5bd4edb4e523091715d

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
Signature6dlWF3WHA4jZmydAOPee3UPKgvNIUDK2ReTIJ91P+bZHMCGMeqX87aaUH03lcRVPIFPQXFOAHJZxsZtnm7qcAQ==
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

2026-09-17T10:26:35.012009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069762
observed ffcd6653ed909a719873496a8949e20f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.994382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069762/manifest.json
observed c3943ce0cf6294be9989409354b565ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.976291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069762/publication.md
observed 49457ec5b2abd918d6f75c61c7587e02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.959318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069762/publication.txt
observed f31f49756c8b7dc87a8576b171c70d03...
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.