OpenTechnical

OT-2026-000031041

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000031041) never changes.

Identity and time

Publication numberOT-2026-000031041 · never reused
Internal UUID01a0ae74-3fb7-747c-8623-42c878494119 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031041
StatusPUBLIC

Content hashes

Canonical text7a84558354ce4e1eac08291ba20c9fa298e21b71d41b4eaf89788cda28084dfb
Markdowne9db0c09f9211c79a80c5d95aca494c4cf28f5258ec03605f238c54c583c19f8
PDF
Publication pagea892317fc1ec84db7262a5963df308a84debcc4358f21293f9ac6f90722cb779
Manifestdf748691a1c73cdf166f67d17790a46c3488a3e86c6b0cfd3c8ebe713b37cc64

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
SignatureYQL5FjziniesiE0rD5ZZ7RFcxBxf4FOk7GTbylu4jNDq9SkcwdKlkiefg/j5joPKxlXSmnQnzP/dtzur3tPwCw==
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

2026-09-17T11:40:08.485546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031041
observed a892317fc1ec84db7262a5963df308a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.469183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031041/manifest.json
observed df748691a1c73cdf166f67d17790a46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.451103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031041/publication.md
observed e9db0c09f9211c79a80c5d95aca494c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.430924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031041/publication.txt
observed 7a84558354ce4e1eac08291ba20c9fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.340548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031041
observed a892317fc1ec84db7262a5963df308a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.323326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031041/manifest.json
observed df748691a1c73cdf166f67d17790a46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.304124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031041/publication.md
observed e9db0c09f9211c79a80c5d95aca494c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.286409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031041/publication.txt
observed 7a84558354ce4e1eac08291ba20c9fa2...
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.