OpenTechnical

OT-2026-000075224

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000075224) never changes.

Identity and time

Publication numberOT-2026-000075224 · never reused
Internal UUID01a0ae93-f200-703e-8599-39c13bdf89ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075224
StatusPUBLIC

Content hashes

Canonical text56ec0c04779c2bca0db72519a0f7a614ae30566967b1c016bd3babc386d72d8f
Markdown4a99c007623beb2753bd6ff8d3ba5b1f9ec479bc09b72bd799126e8406b8f82f
PDF
Publication pagea798cd97c2f64251aeab5a0be6e54708fcaed7e7730c8f366b863f1231e2b76b
Manifest98dfb3ea52a5057d02158a9bcea2a4acae70eb8abbbf63de9601917394b48788

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
SignatureHBezShG6RJIGdOnYgha8VM6VRWp8Ms/qolZ93P7EAU/zrJyf9DYVUicaSans1yh7DxFj03VrNNwOL9yTMrgYBA==
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

2026-09-17T10:20:30.385325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075224
observed a798cd97c2f64251aeab5a0be6e54708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.369387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075224/manifest.json
observed 98dfb3ea52a5057d02158a9bcea2a4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.352090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075224/publication.md
observed 4a99c007623beb2753bd6ff8d3ba5b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.329358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075224/publication.txt
observed 56ec0c04779c2bca0db72519a0f7a614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:45.302159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075224
observed a798cd97c2f64251aeab5a0be6e54708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:45.284439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075224/manifest.json
observed 98dfb3ea52a5057d02158a9bcea2a4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:45.266002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075224/publication.md
observed 4a99c007623beb2753bd6ff8d3ba5b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:45.247047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075224/publication.txt
observed 56ec0c04779c2bca0db72519a0f7a614...
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.