OpenTechnical

OT-2026-000103932

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103932) never changes.

Identity and time

Publication numberOT-2026-000103932 · never reused
Internal UUID01a0aea5-15e7-7cf4-858a-8893e45285be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103932
StatusPUBLIC

Content hashes

Canonical texta7ec7ef1b9afadfb5667340472a2396e3aa690fb80f9bca0d296e4ad0a86d6d5
Markdownc5980d463327cad0e2c345ee7eac8a8b6c7db856c98e84c6104d79d673a1b3b7
PDF
Publication page82301d1bce1c9cc920167da61b4e014f7243299226eab3766e8d9ac173961003
Manifestfdf687c242fa5546ff23092cdccd96c334254939bd8dc0f1b4a2cac46ab9098f

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
Signaturehb3rUOv7AHF80hvs06OjdhKd4NLsxdqr2ix7O5BvjrdzOhIp1wa0DDvpDTKE0RC4ac61lJomiHcpbo+yP7kmCw==
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

2026-09-17T09:21:55.816788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103932
observed 82301d1bce1c9cc920167da61b4e014f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.799208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103932/manifest.json
observed fdf687c242fa5546ff23092cdccd96c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.781348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103932/publication.md
observed c5980d463327cad0e2c345ee7eac8a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.764197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103932/publication.txt
observed a7ec7ef1b9afadfb5667340472a2396e...
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.