OpenTechnical

OT-2026-000057210

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000057210) never changes.

Identity and time

Publication numberOT-2026-000057210 · never reused
Internal UUID01a0ae87-d5bb-7427-aae0-64938c6db9ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057210
StatusPUBLIC

Content hashes

Canonical text68d93888b47d715d675daf971cc360edf51180964a6c7766dae001058e51503a
Markdownfda568c576da96220d9b7aad3da92484062a89eabe7b00f1d4381029ba8422e8
PDF
Publication pagef27719dda6ec4f99ab9509ae99ef465f787e0d5950aff4db1ba1f38696b34006
Manifest23278291117db006b86c290e1a2a30212fcae0ac006817c677837c8f69408004

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
SignatureV4gT8aJ3f5hiRyGJNcpuFQXS5uBpjHd1wx8yMjOAEil6pGcM3qNimu1rMTxjPak0IcAv1ooDlghvf2bdtC65Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:15.674262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057210
observed f27719dda6ec4f99ab9509ae99ef465f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.656256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057210/manifest.json
observed 23278291117db006b86c290e1a2a3021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.638071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057210/publication.md
observed fda568c576da96220d9b7aad3da92484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.613839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057210/publication.txt
observed 68d93888b47d715d675daf971cc360ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.379156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057210
observed f27719dda6ec4f99ab9509ae99ef465f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.363016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057210/manifest.json
observed 23278291117db006b86c290e1a2a3021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.346408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057210/publication.md
observed fda568c576da96220d9b7aad3da92484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.326936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057210/publication.txt
observed 68d93888b47d715d675daf971cc360ed...
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.