OpenTechnical

OT-2026-000017297

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-2026-000017297) never changes.

Identity and time

Publication numberOT-2026-000017297 · never reused
Internal UUID01a0ae6e-76c8-781f-8d6d-6863ccaa51e8 · 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-2026-000017297
StatusPUBLIC

Content hashes

Canonical text55b45f38a6a521b6dafb0f94a2b4af24456c44c4653ce11c003fe2a7ea710110
Markdowna3cc510f64fd400be9589451ec2aa182ed51f8e1aaae1722f40a174721881665
PDF
Publication pagebe8d4db4e6a2409a0e2c37d74e116f6dd67d2539adcbc58d0e6909676b975207
Manifest625cabf18923265e4e164038a62a7d1d6141e9d80d74384237be6f98f8e1fac5

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
SignatureVX1xQrYyIoZEZuK1bHQ6bcfnqkpQpGByDkyq+HHFa0tFYrYLN4E/bEP4kRBvVXSVDOgVkgoemWxmG35piHP/BA==
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

2026-09-17T12:02:23.813035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017297
observed be8d4db4e6a2409a0e2c37d74e116f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.796151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017297/manifest.json
observed 625cabf18923265e4e164038a62a7d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.779639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017297/publication.md
observed a3cc510f64fd400be9589451ec2aa182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.761476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017297/publication.txt
observed 55b45f38a6a521b6dafb0f94a2b4af24...
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.