OpenTechnical

OT-2026-000059903

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000059903) never changes.

Identity and time

Publication numberOT-2026-000059903 · never reused
Internal UUID01a0ae89-ec26-7735-bf1d-9a0c79c7874c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059903
StatusPUBLIC

Content hashes

Canonical text812edbda3abeee8ac2d41828fe41c9c40b82a05cd73858d2226b9fcaa743f8ca
Markdown92211df755d6045eae29e98ccd1b740d9e66df9591b2cb53305208ad4da48a56
PDF
Publication pagecf967f010f2db8d83e35ccd32884f5f6ce1a303e6a2bd8ab6cff20e00aeb29cb
Manifestfe7b9ca23a2c1d1200033aa35d9d7c7eb082c4125ec3de5a9de938fe5eb56e98

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
SignatureN5Vqbk9lW6CCi5GgmxMF6O9MEVHQ7PCSOgIq++q4eecIQnC3TLsnH6ovgPB53hyca6cketYGYBAQKsXeBHGoDw==
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...

Independent retrieval

2026-09-17T10:44:39.957848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059903
observed cf967f010f2db8d83e35ccd32884f5f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.939645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059903/manifest.json
observed fe7b9ca23a2c1d1200033aa35d9d7c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.921380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059903/publication.md
observed 92211df755d6045eae29e98ccd1b740d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.904298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059903/publication.txt
observed 812edbda3abeee8ac2d41828fe41c9c4...
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.