OpenTechnical

OT-2026-000072528

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000072528) never changes.

Identity and time

Publication numberOT-2026-000072528 · never reused
Internal UUID01a0ae92-89d8-77fe-9b85-c10797dee2bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072528
StatusPUBLIC

Content hashes

Canonical textf4cf3a1c7fd739b5475c868129c661fbc7cce9ec6f4f14629c752942641ed061
Markdown5e41046f98f6178519a170015ca0ca5a154bb0ccdedd6a8c1de4ad086ef143a1
PDF
Publication page24f6850b78ec497601b4ee8c6b865b249ba8aeab8d8ae9d2a947c7fe9ffcec7d
Manifest918ec4bc7d9d8aa551976279dd75a10b9f06035965cbf0146d4b662f1abcdcaf

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
Signature45nKKXF4wHj+GPvXLlG6Tm60oIsU6jM3ICHmrYklZxbKgInxtR2NH5iEtJGvomL/Lc1MKdiwUbuKqxiMrH5+Dw==
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

2026-09-17T10:22:21.582188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072528
observed 24f6850b78ec497601b4ee8c6b865b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.564335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072528/manifest.json
observed 918ec4bc7d9d8aa551976279dd75a10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.547186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072528/publication.md
observed 5e41046f98f6178519a170015ca0ca5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.530000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072528/publication.txt
observed f4cf3a1c7fd739b5475c868129c661fb...
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.