OpenTechnical

OT-2026-000012625

Publication integrity record

Four cup vacuum gripper, four 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-2026-000012625) never changes.

Identity and time

Publication numberOT-2026-000012625 · never reused
Internal UUID01a0ae6d-5561-7db9-84a0-9249e4a71aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012625
StatusPUBLIC

Content hashes

Canonical textfef2fc33af1c9509a02331f486788bb7ded1a54393cd0bd4e07a98a6f4b54dc2
Markdown03152c04fa2b7691236c006eb4e447c72b3b04080ae99df2cc1e93c10fb97e7a
PDF
Publication page99ef9c2b052ff9ef281e90b2923886a8bd417ae980170e388a5462db63238e88
Manifest179fce2cff31bedae29e1d70d5dfb1a7f518c2c79a0d61542daa9e70f70728dc

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
SignaturesYdFlLg5DoT5otJJWp8CfvGUo8wKmrWBrcUHHmMCgiAOzClnvgWWs0K+H682hPfB4wcRNefToIqg45+f/XecAA==
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

2026-09-17T12:10:14.916214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012625
observed 99ef9c2b052ff9ef281e90b2923886a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:14.895167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012625/manifest.json
observed 179fce2cff31bedae29e1d70d5dfb1a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:14.875210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012625/publication.md
observed 03152c04fa2b7691236c006eb4e447c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:14.842528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012625/publication.txt
observed fef2fc33af1c9509a02331f486788bb7...
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.