OpenTechnical

OT-2026-000017313

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000017313) never changes.

Identity and time

Publication numberOT-2026-000017313 · never reused
Internal UUID01a0ae6e-76c8-78f7-8249-6a1d6af62952 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017313
StatusPUBLIC

Content hashes

Canonical text8bf86b7804a398afcab8ad4de25303fe62e629a607a62c717468a01d3e631bc6
Markdowne1622ea912d6114b720d050c2dae3e87a93b162e80fa6e6087c9bfdc93c048e9
PDF
Publication pagebc12091b7fca4ddc448ddda1f0ad7235a0a0aa299879ac2af28c02ef30801c86
Manifestb981ef5eaf75d934ca95e7c9413804f0a3f3af2d57c51151400eff55b488eb76

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
Signaturep7E5GnoAFf+SBmFaDSgectnM7u2dFfKx+eiy9tkKJ6+T1spjzOGaHGPhyIQI2068nl0doSrVwODOmsxcL1KTCQ==
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

2026-09-17T12:02:24.996215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017313
observed bc12091b7fca4ddc448ddda1f0ad7235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.979927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017313/manifest.json
observed b981ef5eaf75d934ca95e7c9413804f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.963115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017313/publication.md
observed e1622ea912d6114b720d050c2dae3e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.944480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017313/publication.txt
observed 8bf86b7804a398afcab8ad4de25303fe...
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.