OpenTechnical

OT-2026-000032813

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000032813) never changes.

Identity and time

Publication numberOT-2026-000032813 · never reused
Internal UUID01a0ae75-4841-7da7-974d-cc6e2ea3bf94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032813
StatusPUBLIC

Content hashes

Canonical textfac68ca4a8ee601070b6babef0b4ed813d8dbd0ac86e96d2fe553ed1d6a76558
Markdowna9144512baa636b39e1e76244d167b15470fbe48613bca412085bcf40d09666e
PDF
Publication page1fc56fc01d7259020df98717f140a6ba34e60f07abedf048363b9196e0649bfe
Manifest3afcf06c41b7e87fb9cfad1bdee29f33d4fe98edb7f88abdb754fa2790b2500e

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
SignatureU00u5kMkvaOf+WnMyDucdsfpGtaSEo24/SlO4x8sgMtaksBk16CWz0MsoePdssfmdg38Eux9JMm4wjVGU8JBCw==
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

2026-09-17T11:32:15.899423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032813
observed 1fc56fc01d7259020df98717f140a6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.882143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032813/manifest.json
observed 3afcf06c41b7e87fb9cfad1bdee29f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.863508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032813/publication.md
observed a9144512baa636b39e1e76244d167b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.845111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032813/publication.txt
observed fac68ca4a8ee601070b6babef0b4ed81...
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.