OpenTechnical

OT-2026-000048383

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048383) never changes.

Identity and time

Publication numberOT-2026-000048383 · never reused
Internal UUID01a0ae80-4de4-7b31-8cbe-3b51a37a3868 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048383
StatusPUBLIC

Content hashes

Canonical textfe4dc3012fe632932baabc750f4a4105f635f546b934efe17cdf04d0f19a05f5
Markdown8574c27b93a86ef4e49ddee18f9795486bc9afcf01f4466dc6b12848f760bcde
PDF
Publication paged33143741671b076f52656c4d3257dae1c12c6cb93645ef45775fb244596f423
Manifest079635f68ed5f38e37115ad6394507fc06e16c11b41f0ae911211b8e0d77495d

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
Signatureg4myaxp/QgdDNQ6ji6U6QSvTZBRV6aY3jp2ec/91Qdmd3ovDILLMgyxCXUgMb2ftnvHgLwTFSjNpJiyF94R0AQ==
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

2026-09-17T11:05:00.773462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048383
observed d33143741671b076f52656c4d3257dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.749225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048383/manifest.json
observed 079635f68ed5f38e37115ad6394507fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.730034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048383/publication.md
observed 8574c27b93a86ef4e49ddee18f979548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.711002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048383/publication.txt
observed fe4dc3012fe632932baabc750f4a4105...
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.