OpenTechnical

OT-2026-000036231

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000036231) never changes.

Identity and time

Publication numberOT-2026-000036231 · never reused
Internal UUID01a0ae77-01cf-7d44-962f-058372f43ece · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036231
StatusPUBLIC

Content hashes

Canonical text5adc8b523b93c041f614e7b47f13a521181435f75923a9b949ae6c3eea03bdab
Markdown2b267a86059c1248c42b5a200f44e3a6c7be79669ff5511428740b5e1137c6d8
PDF
Publication page22d878ef60f78931ccf93e0aeead180c670e0d633e54ebabbe6499c81ac2f2cf
Manifest443c0bcfa12948ace04f25ad7054066b238375918f264872aaa1e23b264d8230

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
Signature3Jgf4CJRXEKohUzWoc/NY/PCaep+ODvDzs99RrIunNcUuo/fyilYqVULSf0Je40GLRuMg+Ye9NuaaeaRIj/MAg==
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

2026-09-17T11:26:29.011135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036231
observed 22d878ef60f78931ccf93e0aeead180c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:28.992735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036231/manifest.json
observed 443c0bcfa12948ace04f25ad7054066b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:28.974525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036231/publication.md
observed 2b267a86059c1248c42b5a200f44e3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:28.956204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036231/publication.txt
observed 5adc8b523b93c041f614e7b47f13a521...
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.