OpenTechnical

OT-2026-000071992

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000071992) never changes.

Identity and time

Publication numberOT-2026-000071992 · never reused
Internal UUID01a0ae92-47c0-7ef4-a9b4-1bb4905e5c70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071992
StatusPUBLIC

Content hashes

Canonical textc877084945e4226d096849afd47c7781cbb6111d6aa15b212ee04e03e3e48cde
Markdown7473877176d1d4f2f4015a7bab22d6815133c00a5cb2cf88066f29f1e99ef9d9
PDF
Publication page2e65e29da9c28e674c7963f8febad073078959f2d3f5ab2ca8c8c8b1c1fb3f19
Manifestfa0c4c7f69852c860712ebbf99842f1998e2a1dff6f5576db13de57534c76619

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
SignaturecPL8YNOZLzfOHfFfdy5ApYZBGxmeWGsEOdKyhZKoPDSXNTf6gil0VwPlNzcexFZ48IenR17seH0AyBe+ZNp7BQ==
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

2026-09-17T10:23:02.778666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071992
observed 2e65e29da9c28e674c7963f8febad073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.762959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071992/manifest.json
observed fa0c4c7f69852c860712ebbf99842f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.746426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071992/publication.md
observed 7473877176d1d4f2f4015a7bab22d681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.729931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071992/publication.txt
observed c877084945e4226d096849afd47c7781...
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.