OpenTechnical

OT-2026-000054440

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054440) never changes.

Identity and time

Publication numberOT-2026-000054440 · never reused
Internal UUID01a0ae86-1282-7b83-a4ec-66abf577a4bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054440
StatusPUBLIC

Content hashes

Canonical text6c98e9695caaae8d28d32e1016480b23adf37fca63b9a4cef4de36bd253f9829
Markdown663ec4527d11f45b09cd232573df24e12927d9135d114fd72c4c4b477ba257d5
PDF
Publication pageab753764208c7cad4f823f9b94eec2f79f8463fe2b2d6f63f73401cd1f609b67
Manifestd1bed00f48888a3a2a53830ee36f371f2c966e49346add10f84f7aece2f075cf

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
SignatureO13INbuOd9u7P/BXQxZX6Ekj/C/qBlXp7mG79vIfiUN9reSxQ7DMVMJWSv6QbHA3oIx4Z46bfryH44QLuokKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:25.507922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054440
observed ab753764208c7cad4f823f9b94eec2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.491113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054440/manifest.json
observed d1bed00f48888a3a2a53830ee36f371f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.471719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054440/publication.md
observed 663ec4527d11f45b09cd232573df24e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.452750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054440/publication.txt
observed 6c98e9695caaae8d28d32e1016480b23...
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.