OpenTechnical

OT-2026-000100504

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100504) never changes.

Identity and time

Publication numberOT-2026-000100504 · never reused
Internal UUID01a0aea3-66f0-7b3c-b243-a83e91bc9d08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100504
StatusPUBLIC

Content hashes

Canonical text779c555a921f14babf2c88e1ba3facaaa4da3854e0408ba19b891081f9c49efe
Markdownb48809cf2521ca1255394c0998159a1767d4ca1d0aa24981610f200c9aac2266
PDF
Publication pagede0f8feb1356e205781a3af0c5440089f8eddf731754c851c7414e18f7a16c18
Manifesta3887c437ba836093ff3a83b1d2cc7855da52c335c572fe131f81b4e6ad10186

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
SignatureMhv6mOODAFfnf4VNKuQCzMalJMVvZ8WgGpkGXmTh55wXi3TGigKIgtR28jMx56jFXoBmFPLMRpQjr6ARL7rSDQ==
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

2026-09-17T09:27:16.128261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100504
observed de0f8feb1356e205781a3af0c5440089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.112022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100504/manifest.json
observed a3887c437ba836093ff3a83b1d2cc785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.096023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100504/publication.md
observed b48809cf2521ca1255394c0998159a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.078969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100504/publication.txt
observed 779c555a921f14babf2c88e1ba3facaa...
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.