OpenTechnical

OT-2026-000103231

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000103231) never changes.

Identity and time

Publication numberOT-2026-000103231 · never reused
Internal UUID01a0aea4-be3f-71f8-93e8-ad048d80a729 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103231
StatusPUBLIC

Content hashes

Canonical text495792b35ab237a60096d5b6784c0d881bad13c29c1af263fe1ce08d6c8bcecb
Markdown08f1a1b69547292b42eef036df1dc3fd54bd9832f3d45554f5ab0caed4b532b0
PDF
Publication page9f57c71771efa49aadbca88c48b810fc0b0d98b339d8cdc84867ad1f0cbe5e84
Manifest63a5f4cad03b128046c841f72629fd584984f77949332258f7058a505eac9b75

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
Signaturejfdi7e87Ov82xswe/ANwqrY5P5c15R0ffGCD0eob7C91cWFKBXa7uqN1BJ8iuG1OEcNFYHiXlQS705ae+fDDDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:27.875096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103231
observed 9f57c71771efa49aadbca88c48b810fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.855185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103231/manifest.json
observed 63a5f4cad03b128046c841f72629fd58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.837601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103231/publication.md
observed 08f1a1b69547292b42eef036df1dc3fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.820448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103231/publication.txt
observed 495792b35ab237a60096d5b6784c0d88...
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.