OpenTechnical

OT-2026-000012812

Publication integrity record

Two bellows 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-2026-000012812) never changes.

Identity and time

Publication numberOT-2026-000012812 · never reused
Internal UUID01a0ae6d-5563-78fa-9508-863e43bd7878 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012812
StatusPUBLIC

Content hashes

Canonical text25638a09fff167c0a45c834fb34a288a5aa721780ce3a8b234c0f4d9b9858dc4
Markdownafc3bf96a4a876fd5d73aea16fa3804129256f2aee158eb41c3751c6522d9e0f
PDF
Publication pagedbb4c7a45dceb9182b13affde39a63c88b06d074cfd94d900fe5db5ed6d12b71
Manifestb816af59446a0a3c97bfe68b8deffc1a5265152df9381c192c548581692ad0b7

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
SignatureHTrpnk0MUPnaFanfnDPoDKlSwTSQzIEvAYJ1X1JlMT3qVp84s0a6c+izh7r9igkUIdokghHafazPS5HVmYmxDw==
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

2026-09-17T12:10:32.611402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012812
observed dbb4c7a45dceb9182b13affde39a63c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.591237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012812/manifest.json
observed b816af59446a0a3c97bfe68b8deffc1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.572140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012812/publication.md
observed afc3bf96a4a876fd5d73aea16fa38041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.553115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012812/publication.txt
observed 25638a09fff167c0a45c834fb34a288a...
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.