OpenTechnical

OT-2026-000042395

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000042395) never changes.

Identity and time

Publication numberOT-2026-000042395 · never reused
Internal UUID01a0ae7a-5d74-7321-b683-4b81cc0ab4d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042395
StatusPUBLIC

Content hashes

Canonical textabba907b126a5fce25b2f6c2412b9dd7b608fa0807696aa8703374b302f8e027
Markdown46f426426b83df9761ea92738b6172c2dc7502c3ebe6c33a88dd9ef318c500de
PDF
Publication pagef45f745046b412238df83f78ef09fa4c22c1c67b84962adce3ca5c3492aca47f
Manifest8ba3c9df643357345d87f29095009f4636e4c01a139515f70ad143d9d59fc137

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
SignatureNQPmER+z9gZlQHSokh15rzyOMw/rlUTPyt6ZztfhVWjB+OgJ9RPXvGAxq37UhqWK0N4bD2vghfX9mpNEtLnKCg==
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

2026-09-17T11:16:11.361157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042395
observed f45f745046b412238df83f78ef09fa4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.345502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042395/manifest.json
observed 8ba3c9df643357345d87f29095009f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.328925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042395/publication.md
observed 46f426426b83df9761ea92738b6172c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.312774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042395/publication.txt
observed abba907b126a5fce25b2f6c2412b9dd7...
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.