OpenTechnical

OT-2026-000042646

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained blow-off after 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-2026-000042646) never changes.

Identity and time

Publication numberOT-2026-000042646 · never reused
Internal UUID01a0ae7a-c0ce-725f-94a6-c8c2bdfe7e06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042646
StatusPUBLIC

Content hashes

Canonical textf30d70c265978bb02c20a7eb21a80cf52fb5961da598abb59d9722963fe981c6
Markdown9d1226c7b9ad343b025f1b36c48065b772ebd5cf160c633c832a472fe661f795
PDF
Publication page071147bb1050096bf83d599e6fe197fc78cab4c5acbdc932cee0e59b6c96b03a
Manifest6705feb0cc4843e75d6e2bb195a11e17108500bc32d06a3948286ed4303e976b

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
SignatureZrVoaBTJr/Qtixa3M64O5gFqYUb2fElHIbMtqnhd+4qcVOU6KxqlStsYQNn+n2ZdahpTAlo3IBzZRntOua7bDw==
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

2026-09-17T11:14:23.089837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042646
observed 071147bb1050096bf83d599e6fe197fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.070516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042646/manifest.json
observed 6705feb0cc4843e75d6e2bb195a11e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.051292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042646/publication.md
observed 9d1226c7b9ad343b025f1b36c48065b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.030187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042646/publication.txt
observed f30d70c265978bb02c20a7eb21a80cf5...
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.