OpenTechnical

OT-2026-000013376

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000013376) never changes.

Identity and time

Publication numberOT-2026-000013376 · never reused
Internal UUID01a0ae6d-6fca-7b64-8ef3-6d99b411ab28 · 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-2026-000013376
StatusPUBLIC

Content hashes

Canonical text60b94de828b954b98d2a238d5452d6ba02cef9cebb096809f8c613e23ca6d58b
Markdownbd8a2ee916cc4c376980d192d2876c864fb10b3de9c16cb4b2dbeae238c60413
PDF
Publication page4a34b0aa5f5058937f74b99fa74465962e70341cd7d8cc610fdaf72f8fbd1e73
Manifest3805ee37beb67ff13768f2be18ee1820d09e9f7ecb467d34e2681f8fc6da90f7

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
SignatureGI7y7kBiLtlaQiBcy63XAR8109HQYUQmOO1kCgbkGMNIZ0XTsR9GelFuQsIlKemPKex4eMCXyyeskuodbfQBDA==
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

2026-09-17T12:09:50.499443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013376
observed 4a34b0aa5f5058937f74b99fa7446596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.478261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013376/manifest.json
observed 3805ee37beb67ff13768f2be18ee1820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.376137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013376/publication.md
observed bd8a2ee916cc4c376980d192d2876c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.357341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013376/publication.txt
observed 60b94de828b954b98d2a238d5452d6ba...
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.