OpenTechnical

OT-2026-000031465

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000031465) never changes.

Identity and time

Publication numberOT-2026-000031465 · never reused
Internal UUID01a0ae74-87ae-7fdc-b0e2-f6b9bf2e303f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031465
StatusPUBLIC

Content hashes

Canonical text41cfa4c9c21999618a31b53d49bfd393dc9a33cf17c989df9ad8b7d793b19284
Markdown8bb0ad470f70d7d5a4a6baa00af525a1da4f10efafa7c7cb7857d6002f7dd8c3
PDF
Publication page1809863772165d4af187f3b870c0feda0da7efee20e080e8471519384e7c67a0
Manifestb8136bbaa50578f461755b4c27418c35968b451c10b5d692ab98888a346d0274

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
Signaturez5In3SZ/NKTm7gpMhgWUtu0yMLuEfPGw/+LXktjWc3N2BlhRPgfrpe+StAfFj1g7CGDfKJUXr5C80joXuucuBg==
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

2026-09-17T11:36:11.736099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031465
observed 1809863772165d4af187f3b870c0feda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.714873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031465/manifest.json
observed b8136bbaa50578f461755b4c27418c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.697035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031465/publication.md
observed 8bb0ad470f70d7d5a4a6baa00af525a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.678269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031465/publication.txt
observed 41cfa4c9c21999618a31b53d49bfd393...
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.