OpenTechnical

OT-2026-000034455

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000034455) never changes.

Identity and time

Publication numberOT-2026-000034455 · never reused
Internal UUID01a0ae76-1ed0-7c44-9283-8c40c1a4a8ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034455
StatusPUBLIC

Content hashes

Canonical textdb487165003984d85f9fbbd02729aa31bf68374a3c8de4b9c718c907a4f72971
Markdown09b475c026c43da91258b6e50d23cb6a79e6d6efcb6b3f8ef5fe71d57bf0e1d1
PDF
Publication pageb298916351997c97c3020bc4e4a551c8703a71a01f28459398bf29bee81ab24c
Manifestcda9fe9b00d2afc8cbea12aea8e8349e47786dcb70844914ee2b565c404efc1f

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
Signature0hS57kJXhQ6n+vPH9uW0Rt/LqpkN28BOOWdm1ZhUnoiTFvWvR21fvF6Jw2nsNlVSElB2joROt6XEbWk2zLzfAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:46.721829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034455
observed b298916351997c97c3020bc4e4a551c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.704514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034455/manifest.json
observed cda9fe9b00d2afc8cbea12aea8e8349e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.687003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034455/publication.md
observed 09b475c026c43da91258b6e50d23cb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.667316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034455/publication.txt
observed db487165003984d85f9fbbd02729aa31...
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.