OpenTechnical

OT-2026-000044033

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044033) never changes.

Identity and time

Publication numberOT-2026-000044033 · never reused
Internal UUID01a0ae7b-d679-741a-9e99-d80d066ac321 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044033
StatusPUBLIC

Content hashes

Canonical texte87ccaebc1ffcebc132ddeb0ac530de9b8adf030c38c6bc8496fcb6f47a5b817
Markdown653aa6a9a98dd021ca1c3544243b6bb066742d5c8e572b9cd888a7bd3b895056
PDF
Publication pagef3c442ac2b2769f1231e0f86aef474f12655d02ff73a0f180b98d49157862eb2
Manifestc2d35136f0761899dbd029c71e439ffa7251179f8820b09d5dcf8d5534d9ffb3

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
SignaturetuS3NYcFlsWhj44YpS5JPjmCTyQquVJxUmEmsZe4gUR3btbqACSNytAye6I82YbnULBuQEtdCyOGWYb8RQSFAQ==
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

2026-09-17T11:12:25.284772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044033
observed f3c442ac2b2769f1231e0f86aef474f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.265539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044033/manifest.json
observed c2d35136f0761899dbd029c71e439ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.246670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044033/publication.md
observed 653aa6a9a98dd021ca1c3544243b6bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.227093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044033/publication.txt
observed e87ccaebc1ffcebc132ddeb0ac530de9...
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.