OpenTechnical

OT-2026-000072812

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000072812) never changes.

Identity and time

Publication numberOT-2026-000072812 · never reused
Internal UUID01a0ae92-89da-75ec-b336-5d55fad5735f · 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-2026-000072812
StatusPUBLIC

Content hashes

Canonical text0bdf90d71fcf84041acebe27ef3784df5254959a29d648e571997c285827fe0f
Markdown165d13aa4440f711732849cfe9957fe7e2cb3ea0e606aa9529ba7bd0ab12f4b2
PDF
Publication page74af5bf79935f5f8f48d7ba9a1de21b9b8c1766b181f15d769a72c1f876b35e8
Manifest0745b90392b44c63a6f58ef08d6c3a6bffedb227aeaef145c98b53a1177ccb60

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
SignatureUKXNcwpSsBa5KGb8E1zYJOxd5yqrxBIZiO0bqNr4tKw8mXDSY13Lu19ZPzoZCztf5CRq7B6KrvBeVWaDQabOAw==
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

2026-09-17T10:22:43.741149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072812
observed 74af5bf79935f5f8f48d7ba9a1de21b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.721998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072812/manifest.json
observed 0745b90392b44c63a6f58ef08d6c3a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.703703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072812/publication.md
observed 165d13aa4440f711732849cfe9957fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.686027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072812/publication.txt
observed 0bdf90d71fcf84041acebe27ef3784df...
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.