OpenTechnical

OT-2026-000100254

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000100254) never changes.

Identity and time

Publication numberOT-2026-000100254 · never reused
Internal UUID01a0aea3-3053-7998-b9cb-5dba1c19c17d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100254
StatusPUBLIC

Content hashes

Canonical text03e1a1c7a0d2b0f710e62937b81dd542e1ab6749d60a706bf0fa7708aa9fd844
Markdowne8240edb8364e84f0a663296ac2b2adebf65b492b5bdb9187b4b0f3a35664812
PDF
Publication pagec5eabc6e030cc412f7f48a889c122af5699b9b82189b0306b697ddbc844a02fa
Manifest638274e07ff474bf254b20a90da4dd8e9701dfb7130c07bee06876ff52216e8e

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
Signature2ghTwILBNn1amVSn2VdqFaxG81KRR7E6ECgjO/btOTJ2G8GM7P+f5KSEzBhxV3UzLUFNqkAqzfvgvEdvCXlXAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:03.488483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100254
observed c5eabc6e030cc412f7f48a889c122af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.472892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100254/manifest.json
observed 638274e07ff474bf254b20a90da4dd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.456965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100254/publication.md
observed e8240edb8364e84f0a663296ac2b2ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.437613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100254/publication.txt
observed 03e1a1c7a0d2b0f710e62937b81dd542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.967753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100254
observed c5eabc6e030cc412f7f48a889c122af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.949682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100254/manifest.json
observed 638274e07ff474bf254b20a90da4dd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.932419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100254/publication.md
observed e8240edb8364e84f0a663296ac2b2ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.915722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100254/publication.txt
observed 03e1a1c7a0d2b0f710e62937b81dd542...
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.