OpenTechnical

OT-2026-000013541

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013541) never changes.

Identity and time

Publication numberOT-2026-000013541 · never reused
Internal UUID01a0ae6d-6fcb-7920-84bd-7d5c3c2a3df5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013541
StatusPUBLIC

Content hashes

Canonical textf6febb00332af8063839f594fc48d57ece3dd98b7c731751cdaeef69d9055c05
Markdownb83f0e1a83246bbdd432e687cd7dc4d513c84faf6583e957ce730a6fecf2274f
PDF
Publication pageb99b670c13e9248adcfd2fc7e58c58dc5c9c30039986315560ce3efdd3e75281
Manifest2b5bf592bd5c8f83f3d4becd146879e06386748c26fe5f7d8ab1a8bdd1d8d7aa

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
SignaturefuJVA1taDpn5fOipsyVovTIHiwMJrFLJnN5yc3cGeAzPwMi0Zef1tz0FzfWeuXrm1ExGOboHq2yyMcg8VIDCAg==
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

2026-09-17T12:10:05.000358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013541
observed b99b670c13e9248adcfd2fc7e58c58dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:04.979423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013541/manifest.json
observed 2b5bf592bd5c8f83f3d4becd146879e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:04.959436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013541/publication.md
observed b83f0e1a83246bbdd432e687cd7dc4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:04.938014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013541/publication.txt
observed f6febb00332af8063839f594fc48d57e...
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.