OpenTechnical

OT-2026-000045577

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000045577) never changes.

Identity and time

Publication numberOT-2026-000045577 · never reused
Internal UUID01a0ae7d-8f02-7ebc-a690-da34257044c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045577
StatusPUBLIC

Content hashes

Canonical textb817229314327512255481da3cc07d81d0e2c830cabe8ccb2d93b45c54399ddf
Markdowncbdafe700cc271f0ca60dfe9b67d30035b7f57acaccc1de9175a1dba600eaa50
PDF
Publication pagef467edd6ea68c0c930c6929f99a1e40a22f9ca5df500e86dc824a38cd29aa701
Manifest369e32615b64a02830dacf81ece0aafa702691be503e6cf92fec76435ab5897b

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
Signature/82G+gpRU8ry0L+nQDRorAUcBBZiNg89llzo7RLi1DckwJSzQC22/ubksSbVtnXWIbCUbHizIovyEFcHIjc8BA==
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

2026-09-17T11:09:20.453280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045577
observed f467edd6ea68c0c930c6929f99a1e40a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.434748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045577/manifest.json
observed 369e32615b64a02830dacf81ece0aafa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.415421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045577/publication.md
observed cbdafe700cc271f0ca60dfe9b67d3003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.396776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045577/publication.txt
observed b817229314327512255481da3cc07d81...
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.