OpenTechnical

OT-2026-000018151

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000018151) never changes.

Identity and time

Publication numberOT-2026-000018151 · never reused
Internal UUID01a0ae6e-b488-708c-b2b2-0e53d6dc4eb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018151
StatusPUBLIC

Content hashes

Canonical text1ead47383f16412bf8691d8f142f77c0d3f0e778615c6d4be66ae3cedb592b8c
Markdownad898abda2ab1cf1f18d11f1dd4046ec994c73837011dedfe7d951b5174700a1
PDF
Publication paged42c678663c047fc3e5dcde31a645d1381e0abe4a8b9806558ec37f3f65dc482
Manifestb5138d331c190af8a9e12e969811f6a513123882026f074fd746eab1f0415d87

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
SignatureOlAIaELRZbuxXpdoOQcqUSQ6+qZq21eSG5unnsUEtZvLGx3Neh1Pv0uky+6WBEVvDVxA9kYCVBVYiXzxkqbABA==
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

2026-09-17T11:59:54.103226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018151
observed d42c678663c047fc3e5dcde31a645d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.085604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018151/manifest.json
observed b5138d331c190af8a9e12e969811f6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.068296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018151/publication.md
observed ad898abda2ab1cf1f18d11f1dd4046ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.051099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018151/publication.txt
observed 1ead47383f16412bf8691d8f142f77c0...
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.