OpenTechnical

OT-2026-000023750

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000023750) never changes.

Identity and time

Publication numberOT-2026-000023750 · never reused
Internal UUID01a0ae70-aed4-7475-b66e-83b23ca2a6b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023750
StatusPUBLIC

Content hashes

Canonical text2ce9a58c90e3a70f69b8033a209ad21a0e3bffbe74ccc5c514915f888526de3e
Markdown2475f3f1c6ce221395733a9b2eb3e15a7114545acb9237dba2386af4d6f843c2
PDF
Publication page4bafca429fcc5b6bde78dac2ff7ce345900b5da22a6b5556a071029e44054a7d
Manifestd2245a71912a55417661b18560c04f8fb2cdfbbf4ff72d9f405101cb25a23070

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
Signaturetbg2Q9NmCm0B1taOUIlTpl+2xDzi59C+08dxb2eItj/OCSk4N+Z74HA8VxF4NhZaZTQNYHaMikdgga7p7oMsCg==
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

2026-09-17T11:50:06.083845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023750
observed 4bafca429fcc5b6bde78dac2ff7ce345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.059214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023750/manifest.json
observed d2245a71912a55417661b18560c04f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.041831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023750/publication.md
observed 2475f3f1c6ce221395733a9b2eb3e15a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.025697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023750/publication.txt
observed 2ce9a58c90e3a70f69b8033a209ad21a...
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.