OpenTechnical

OT-2026-000039580

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000039580) never changes.

Identity and time

Publication numberOT-2026-000039580 · never reused
Internal UUID01a0ae78-d8d3-7a39-b906-b3e57bd3566e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039580
StatusPUBLIC

Content hashes

Canonical text0940d465d9aaf5d32b4541400c97d6e838e7d291ae58d723d690288581601465
Markdown94c12980c27bf178da2c253fc00f58f2b271daa0de1eb6c77a5321183ee67827
PDF
Publication page53323b1d6446855f710be9a072054f9bf8229990f4ce65288a00c66e525f35d7
Manifest914627b88100203856d4d748b522c89a249b21c9a1377590bd18341e65b84bf8

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
SignatureUqfvG9fyca+2OEtlA9LGpyznfSzGdz8127JBC5IvYt1czcAOuI6TBf4VEfEZ/tlCnNcKsK/6aZoap6xIfCUjBw==
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

2026-09-17T11:19:44.236911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039580
observed 53323b1d6446855f710be9a072054f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.219705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039580/manifest.json
observed 914627b88100203856d4d748b522c89a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.202421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039580/publication.md
observed 94c12980c27bf178da2c253fc00f58f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.182276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039580/publication.txt
observed 0940d465d9aaf5d32b4541400c97d6e8...
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.