OpenTechnical

OT-2026-000039883

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000039883) never changes.

Identity and time

Publication numberOT-2026-000039883 · never reused
Internal UUID01a0ae78-d8d6-7e44-8254-ea278eb7108f · 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-2026-000039883
StatusPUBLIC

Content hashes

Canonical textfc646da5212186998091d037e0c3ae9a0d6eb5ba513cb7233db44ba36483a52b
Markdownfe7c67f66589d6d810e5ca63384724ad175a0072a812d10c567a18ee94c6871a
PDF
Publication pageaffc1825fdadd3b8e4f296e5be3ff2a2b2026f17c9acc6c0900b79f4ab56ea88
Manifest779dbdb17e4b71a7324326ae01db750e5a498d63005edc175887fe949bcc1e84

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
Signaturel+1B+XeQCo3XL8tIRzAA/MFUmat/GwaysOpDO0rstrF9wfED6+Y0/atBfvbEHxHrwZtNMlN8o5XObzS5jvYEBQ==
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

2026-09-17T11:20:10.069303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039883
observed affc1825fdadd3b8e4f296e5be3ff2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.052756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039883/manifest.json
observed 779dbdb17e4b71a7324326ae01db750e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.034037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039883/publication.md
observed fe7c67f66589d6d810e5ca63384724ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.014577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039883/publication.txt
observed fc646da5212186998091d037e0c3ae9a...
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.