OpenTechnical

OT-2026-000025962

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000025962) never changes.

Identity and time

Publication numberOT-2026-000025962 · never reused
Internal UUID01a0ae71-a83f-76a5-8c98-9c4d04c8cda8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025962
StatusPUBLIC

Content hashes

Canonical textb56b811b61180164124cc7136bfd41c9493ae7e998271bdfad23ecaf1aa73f5a
Markdown11339fb24ba791fa1b9d45c9a81f88c514f1b8c2b2856fe46ed65c83ed89c9ce
PDF
Publication page41ae2b08291cc742bd7e98235b9f61639b8a6941484820af3c9a661439331c0c
Manifest18a7c61b4226838d0ac826b23ad10c0393aa827895d2909c4d197e79782af9fc

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
SignaturekwqjsfRyo7OF1LhZ6BEH8F2t8OLFeA3RNrdDgk7gBm1cuSdlr5HPdPLoNmL60wUCOc9O4WL8YegBIlL5q0xeBA==
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

2026-09-17T11:46:05.419047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025962
observed 41ae2b08291cc742bd7e98235b9f6163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.385013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025962/manifest.json
observed 18a7c61b4226838d0ac826b23ad10c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.367191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025962/publication.md
observed 11339fb24ba791fa1b9d45c9a81f88c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.333601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025962/publication.txt
observed b56b811b61180164124cc7136bfd41c9...
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.