OpenTechnical

OT-2026-000012346

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000012346) never changes.

Identity and time

Publication numberOT-2026-000012346 · never reused
Internal UUID01a0ae6d-39f6-7f4d-b5e9-69581e3792d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012346
StatusPUBLIC

Content hashes

Canonical textf4f06c4e51b002227fb6b682097664320617d2156eebb98a5d1df6ad9ee8350d
Markdowna99a68e046bb4d1da330ba4f7a44f862cdf5073fae9973489682ad4932b18af6
PDF
Publication pagedf72adcdd26e82b9177be0cce609d14516072cb1963e3ac8685076fc0e9cdd30
Manifestab46706dfb85fd8355e1583ffd65e0275d26257294c9fe8742e380d2d30dd708

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
SignatureXL4PqJswfJpCQVjLdfK35zrJsL7+ohbD/UPHlOaOg7NvVcvcXEIrFzvNZdDOJhN3JIF1qV9Ulgd4czLJd61VAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:49.616112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012346
observed df72adcdd26e82b9177be0cce609d145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.598284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012346/manifest.json
observed ab46706dfb85fd8355e1583ffd65e027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.581137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012346/publication.md
observed a99a68e046bb4d1da330ba4f7a44f862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.562164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012346/publication.txt
observed f4f06c4e51b002227fb6b68209766432...
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.