OpenTechnical

OT-2026-000031111

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000031111) never changes.

Identity and time

Publication numberOT-2026-000031111 · never reused
Internal UUID01a0ae74-87aa-71c5-8b59-0b200d5ec9ed · 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-2026-000031111
StatusPUBLIC

Content hashes

Canonical text168f415e1389a0bb8b6dbeb4f79abbd5e437ce60c6e9d56566571cd93953069c
Markdowne718122f96bd3f87297efe700d2a5eba8fc4374705802f74065f5f9f38fd707a
PDF
Publication page825f070e9e5a98dfedb539a3f7bbbfbd6e595dbee091c894387fb1b1f3b69c38
Manifest8ab3fe96513bce0e6806cba1914fe4d5d76422433d6230dbd37060c4ddc9e255

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
SignaturerqqX/jSfACcw8G90fiwAiVoOtwEd3lq1J7oSk2RpGftIieRk0qeENtfIipymE+QeQd+e/3U83ivi66tiaMXFDg==
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

2026-09-17T11:35:32.538804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031111
observed 825f070e9e5a98dfedb539a3f7bbbfbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.521141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031111/manifest.json
observed 8ab3fe96513bce0e6806cba1914fe4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.502743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031111/publication.md
observed e718122f96bd3f87297efe700d2a5eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.484712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031111/publication.txt
observed 168f415e1389a0bb8b6dbeb4f79abbd5...
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.