OpenTechnical

OT-2026-000075451

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold 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-2026-000075451) never changes.

Identity and time

Publication numberOT-2026-000075451 · never reused
Internal UUID01a0ae93-f201-72de-b6f6-0834ee0beae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075451
StatusPUBLIC

Content hashes

Canonical text783c79d53c7c0ca0a1360b421610d2cdeae1065a7cb13d10ebe2bdcdba6dce88
Markdowna08991b30c82849df96800ce6a6a0bef9224cd3c57e147e3a3e0fdf6a118d37f
PDF
Publication page1d6d6611c2a11f445848d4b0c84dbcb548def6a84412c24935b3fe3413b02014
Manifestf1415c0032b094639869fbd07153c6a17ddc4b72bd09d994245a32095459026f

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
SignatureTfB/XbbdVWWNLl/FhkbDxcUdDWxycrjphoRUC/qxqKJW7c95pIjQWmoVMNKfGPJtddRbHGeMDzKUgM5aqU6gCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:41.954247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075451
observed 1d6d6611c2a11f445848d4b0c84dbcb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:41.815246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075451/manifest.json
observed f1415c0032b094639869fbd07153c6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:41.794803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075451/publication.md
observed a08991b30c82849df96800ce6a6a0bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:41.776922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075451/publication.txt
observed 783c79d53c7c0ca0a1360b421610d2cd...
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.