OpenTechnical

OT-2026-000007246

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, ejector fed, polyurethane cups, oval form

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-2026-000007246) never changes.

Identity and time

Publication numberOT-2026-000007246 · never reused
Internal UUID01a0a977-e760-7710-b356-618ffa9d88b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:06:42.659176Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007246
StatusPUBLIC

Content hashes

Canonical textad461db52b2809409ed3a767791b092b116a4ded8f9592ed6ca1155ba4da205c
Markdownc71f044660b10e8ded6a11c1a2709b8316ccdce28a502eb6c87d67a77dca6dd4
PDF
Publication page904e68457126dd3ec597cd7c93872941987be55b50363e3a462482ef10a519d5
Manifest5fafc6d2257be61b3643f6d4944a94fe15fd5ccf19cc22b1564f6d4d54f3bb27

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
SignatureeYrORWLl0oXO9YH/5EfkXfmECXX4WShIyfc65+0AVZkc3igeSqS21UFl31zgkqQtUINW8sE//CBVVhNLUptqBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:11.955117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007246
observed 904e68457126dd3ec597cd7c93872941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.943000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007246/manifest.json
observed 5fafc6d2257be61b3643f6d4944a94fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.929529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007246/publication.md
observed c71f044660b10e8ded6a11c1a2709b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.916187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007246/publication.txt
observed ad461db52b2809409ed3a767791b092b...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent