OpenTechnical

OT-2026-000073020

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000073020) never changes.

Identity and time

Publication numberOT-2026-000073020 · never reused
Internal UUID01a0ae92-c815-7afd-bb52-32c59c8696e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073020
StatusPUBLIC

Content hashes

Canonical text6275c2ffcb42387eb309ee0babbecf0532440149c6a839f3a4591c464c514dd2
Markdowncda24861f99b84bda655cda0ccebe2eac011a203e0658ddd90fc70c16dc3d306
PDF
Publication page6c2c880578fad002927f495cac846ef7c233f8f3227def92b9f1846b5546901f
Manifest930da5a81f009f1b9e6cef218610b2cef33d33e722aa0f4791940da8d40ad985

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
SignatureNUgUJ5qSwOP2YKnPEoiP7QNB0JQvS9AUVZwIYfzohPeVtBwsrklZEfN63naM0a8oACYGo1W9fgpR++7JBaxOAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:57.501455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073020
observed 6c2c880578fad002927f495cac846ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.482734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073020/manifest.json
observed 930da5a81f009f1b9e6cef218610b2ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.463996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073020/publication.md
observed cda24861f99b84bda655cda0ccebe2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.446114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073020/publication.txt
observed 6275c2ffcb42387eb309ee0babbecf05...
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.