OpenTechnical

OT-2026-000056483

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000056483) never changes.

Identity and time

Publication numberOT-2026-000056483 · never reused
Internal UUID01a0ae87-7af4-7c63-adc4-5f3166afc1f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056483
StatusPUBLIC

Content hashes

Canonical text55b3b137da0055c774915a726d3a41e9092263d7b9322e6859f4fc4a05661021
Markdowna3ec46a7e3d1b8e71c11448286197e59b1f1354114f3870c82cdc0129934e547
PDF
Publication pagedd831d623485139e9a597ff13055cccc4200cdf44ed4a5da5b0e7df4083153e0
Manifestcba35533ce837466b0335913f8c92f74fb77b71f74a0c48c577ea5ea5e0aed4c

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
Signaturew3DfrGN8HjLCMLW+vXBnJgYM3VmfyVMZcBlPRWbygdaPF9PyJ7UQYo2vYecakd9HYyU+pAFy/d4j61tmAqE+Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:47.633422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056483
observed dd831d623485139e9a597ff13055cccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.615448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056483/manifest.json
observed cba35533ce837466b0335913f8c92f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.597483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056483/publication.md
observed a3ec46a7e3d1b8e71c11448286197e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.579452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056483/publication.txt
observed 55b3b137da0055c774915a726d3a41e9...
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.