OpenTechnical

OT-2026-000007501

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000007501) never changes.

Identity and time

Publication numberOT-2026-000007501 · never reused
Internal UUID01a0ae62-4df4-7112-bd93-8b928cfe26ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007501
StatusPUBLIC

Content hashes

Canonical text7c4d9c6db2ffc8fd6ee622c75b2a4f30eed5e4e3aeced1725736b7f5a58d0477
Markdown132f6320ded83806c2d36562bff6c0f43c046638cd1331d497daadaa0c53fa98
PDF
Publication page3d4bd975efed70da61f04ea5a936df5009a93cd0ef7d4d6187ca3a6f56adafed
Manifestb515e4115a2eaba66f3d28ef06564cb0822caa72f705a9d9f71d8cbef806ac2b

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
SignatureZLM8l079hLPJ/ZwYDsJBRZwO9m6cIwfvOfmN0k6UzY1hmZEKTCWqHZLu0/vxtlurwZVWWSTvB2bU7cB1Ub09Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:20.412903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007501
observed 3d4bd975efed70da61f04ea5a936df50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.396472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007501/manifest.json
observed b515e4115a2eaba66f3d28ef06564cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.380327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007501/publication.md
observed 132f6320ded83806c2d36562bff6c0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.362116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007501/publication.txt
observed 7c4d9c6db2ffc8fd6ee622c75b2a4f30...
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.