OpenTechnical

OT-2026-000032072

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000032072) never changes.

Identity and time

Publication numberOT-2026-000032072 · never reused
Internal UUID01a0ae74-bad3-7cff-b7a4-159ce4b3a661 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032072
StatusPUBLIC

Content hashes

Canonical text20234720ca047a21cc8c48aaab151bc088534e8d4ecd4b8895ab48e887d78907
Markdowndcc5af9c317e4bc0b4799f67a520f3b274435f69f9709f4257941e266a95b35e
PDF
Publication page15dbfd67307ccb206a99eaa85ff1ffcf3ee3c5caa185318d6baa23cedd9b7a60
Manifest926325758e83c5cd9c68ea60a15832fd7db90bd238e91846dab68a487f240da5

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
SignaturedURKUd4W9P6eOg1Wpm9vQH7TLKlxklXm+jLF7xYw7wZcGkd3l+cfpFXHmXCGWUbPvi0uPLVpzZyXtkdB/5sEDQ==
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

2026-09-17T11:35:29.572313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032072
observed 15dbfd67307ccb206a99eaa85ff1ffcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.556033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032072/manifest.json
observed 926325758e83c5cd9c68ea60a15832fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.539884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032072/publication.md
observed dcc5af9c317e4bc0b4799f67a520f3b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.522733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032072/publication.txt
observed 20234720ca047a21cc8c48aaab151bc0...
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.