OpenTechnical

OT-2026-000029017

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000029017) never changes.

Identity and time

Publication numberOT-2026-000029017 · never reused
Internal UUID01a0ae73-2a9e-7f5a-8751-6e5418f755e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029017
StatusPUBLIC

Content hashes

Canonical texte9e4f03d11c1f1b06bcb5aac996de18d75e845f22cca5c4bb24cb1e099ca5b63
Markdown39facc40a53dde689d4a686c0292c5bd17731d8be0e7a6cd0d9f4922eeb4ea87
PDF
Publication page45e44bb053ab36941da2157b8a3086c5c2a0cb0b1981628863f06bb6e8dbe834
Manifestedae74db39f5c7ad6c37009c4a46f693f6942789dc0970fc6b2b45353724f8c3

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
SignaturekanMEI+SFM+CBy5chlY3Az7FJ/8FqHxsJ6wVsSHAKBCLkBS9Xhzip6tmBfOgs+LHR+139xVLr6QEkneceorsAg==
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

2026-09-17T08:20:35.770724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029017
observed 45e44bb053ab36941da2157b8a3086c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.752275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029017/manifest.json
observed edae74db39f5c7ad6c37009c4a46f693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.734156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029017/publication.md
observed 39facc40a53dde689d4a686c0292c5bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.714616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029017/publication.txt
observed e9e4f03d11c1f1b06bcb5aac996de18d...
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.