OpenTechnical

OT-2026-000012377

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000012377) never changes.

Identity and time

Publication numberOT-2026-000012377 · never reused
Internal UUID01a0ae6d-39f6-7e70-829d-3a9bc16d97dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012377
StatusPUBLIC

Content hashes

Canonical texta98bc40c2f61566b0b5ec998bef22839c04dbf02304b02fd419e177a1d877d5d
Markdown0c23cf75f4c37a8c2736d6dbaa4039d537ca71a1ef9d4a81e0685dff6be2619f
PDF
Publication page61afb56cfaafb3e22dbe983012a6ea44d19d811f1be9dcc58015e43322260a52
Manifest7addd4ef5e6ca29a1c7cd71690f1efdedc93313314cc89c2fcaea49349a5ab58

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
SignatureFYO99LgHhmGndCL1BdEb6bVTuvPQdG/vvQJGTWY8UJT+eH1bd8Mf23ZfPKulQYyy13p0RY7TeHQI/DH/ESmgDg==
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

2026-09-17T12:11:51.803651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012377
observed 61afb56cfaafb3e22dbe983012a6ea44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.784594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012377/manifest.json
observed 7addd4ef5e6ca29a1c7cd71690f1efde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.766637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012377/publication.md
observed 0c23cf75f4c37a8c2736d6dbaa4039d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.749126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012377/publication.txt
observed a98bc40c2f61566b0b5ec998bef22839...
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.