OpenTechnical

OT-2026-000014071

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000014071) never changes.

Identity and time

Publication numberOT-2026-000014071 · never reused
Internal UUID01a0ae6d-8deb-782f-9b02-66673dbe014c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014071
StatusPUBLIC

Content hashes

Canonical text1800f7f1ef908f4200e0e09ae49ba64550677e3b9eadb4d1b5fad0a610166bcb
Markdown4b0846d61759d14ba656da3421fdab7df642bc99f3690944662670b65b3b67e7
PDF
Publication page33260fc690f9701e17866c490dbfd4aadd5881e378a9d74437b12a6b9ab690c9
Manifestad744f0921bafcb8b355730f64843ed6a84b0cf35521cb223e26cb3d46bc9e66

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
SignatureArp5vCPwnQMRExkZ3YFirTZ3Go6yPizfP728NWIfGwgixWtY0cIDVZ0Mw9HzfiMdfWKvOiiWsT0jO6VMCYCwCg==
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

2026-09-17T12:09:19.147535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014071
observed 33260fc690f9701e17866c490dbfd4aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.128065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014071/manifest.json
observed ad744f0921bafcb8b355730f64843ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.106410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014071/publication.md
observed 4b0846d61759d14ba656da3421fdab7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.085429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014071/publication.txt
observed 1800f7f1ef908f4200e0e09ae49ba645...
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.