OpenTechnical

OT-2026-000082372

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000082372) never changes.

Identity and time

Publication numberOT-2026-000082372 · never reused
Internal UUID01a0ae97-4d96-71d0-abf3-d4da42857abf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082372
StatusPUBLIC

Content hashes

Canonical texte7c55fe76f5f78557ca276d4aa4b9cf08905ad00015e82f741e4ff8f26690e51
Markdown3e58760141236652b4255c7df152a9368b28f6938b39d2f9aed2def0f6731b0d
PDF
Publication page9912fa0b9460088220e0981ab1a9e5b19f656dcd89e56b379bd833d64d6b65fb
Manifest07c71ead157e9249c0bf9328cdf99fc0ec8bd94cab9d002218434b9e47b7eabd

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
Signatureqx3oguepn6o5vYUYka8I2wMA2q+mCJY9RN3UroPkCmVJQ0qgNPdJuTMDGFaZk7/13wz9sgc2N/FLJCbQEcANDw==
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

2026-09-17T09:59:15.009338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082372
observed 9912fa0b9460088220e0981ab1a9e5b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:14.991786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082372/manifest.json
observed 07c71ead157e9249c0bf9328cdf99fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:14.974871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082372/publication.md
observed 3e58760141236652b4255c7df152a936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:14.957458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082372/publication.txt
observed e7c55fe76f5f78557ca276d4aa4b9cf0...
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.