OpenTechnical

OT-2026-000074064

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000074064) never changes.

Identity and time

Publication numberOT-2026-000074064 · never reused
Internal UUID01a0ae93-2b8f-784b-a43f-c00e8c0002dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074064
StatusPUBLIC

Content hashes

Canonical text14f86e287cc1e31c8aacb761534562ad678e3aad49ea47c36873884e2dda48cf
Markdownb3489b5cdb12fb2a0e7b1afae964e269d9d84e0e435212238c52ae9de416eb66
PDF
Publication pageccb6c2a3493586bb5ae232b14874d66a4b145726503069f69a0efc21e2ea7fce
Manifest2d9ad1ed8cc21c9c87a25c96fe3aebae4ce3cd6e38078412e50fe04b8bc2b193

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
SignatureLGLY8o8XM9WQzQRHYdAzE7WV+12EaIQsdIi5CK8xg568gyheZUWBvItN/omDNsgSrnQvFqF1SkayygJpRzyJDw==
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

2026-09-17T10:20:23.643358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074064
observed ccb6c2a3493586bb5ae232b14874d66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.620360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074064/manifest.json
observed 2d9ad1ed8cc21c9c87a25c96fe3aebae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.598522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074064/publication.md
observed b3489b5cdb12fb2a0e7b1afae964e269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.574280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074064/publication.txt
observed 14f86e287cc1e31c8aacb761534562ad...
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.