OpenTechnical

OT-2026-000075758

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075758) never changes.

Identity and time

Publication numberOT-2026-000075758 · never reused
Internal UUID01a0ae94-29fe-79eb-a03e-5234804e9235 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075758
StatusPUBLIC

Content hashes

Canonical text7719b32ad2b4c002b01678f9a04ea7613b664c21fbb6f1cf25aa059470658d69
Markdown0c4d127883390c78ad03b6632b6ded595a6089480b9a71f4314dbb417a884280
PDF
Publication page42a74b16d4ea19f06247c2d9b5750eb3338d4f1003888d91202bea2fe4d3cec9
Manifest803c6a60f10e4de170adc91b648f537c162d496c89a229eb1b5ba2e2a5568fb7

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
Signature6uOApQ5JiciaaDkWnM0nFo+rznredCwaXV1znaZJDkUcO8RcXzct4tD7Z2A7OVY2vseZ7OaWic47+Out3HeQCQ==
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

2026-09-17T10:14:08.718071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075758
observed 42a74b16d4ea19f06247c2d9b5750eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.697500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075758/manifest.json
observed 803c6a60f10e4de170adc91b648f537c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.556473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075758/publication.md
observed 0c4d127883390c78ad03b6632b6ded59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.536371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075758/publication.txt
observed 7719b32ad2b4c002b01678f9a04ea761...
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.