OpenTechnical

OT-2026-000075541

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000075541) never changes.

Identity and time

Publication numberOT-2026-000075541 · never reused
Internal UUID01a0ae94-29fc-7c60-b7e8-cb81638ef14e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075541
StatusPUBLIC

Content hashes

Canonical textda35ba58e00f50f41c1b9c073b2e04ca93df1e6290d5d07056ce18e50c877b5c
Markdownf050220a6c282c659690e7b0a0a3dacd81c36e9c56aab2fec102d95c67cf8ca2
PDF
Publication page8ce24e44af3ade6455a0f81b1917c82c3111ccbd08d393b870837dd842d4794b
Manifestedad065416a67ce4e970e624aefce9e07b79ec8252fe1d7466a8099162039874

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
SignatureDbcyhERP1+eZDD4qd7cUn+x/9/+zDOh/NS3bZ9WCvcoPhWPcQP6yonFg8ZGEmmMgglJ40c/g4JPO7EeqkoWcAQ==
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

2026-09-17T10:13:02.524394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075541
observed 8ce24e44af3ade6455a0f81b1917c82c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:02.506582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075541/manifest.json
observed edad065416a67ce4e970e624aefce9e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:02.485314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075541/publication.md
observed f050220a6c282c659690e7b0a0a3dacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:02.466937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075541/publication.txt
observed da35ba58e00f50f41c1b9c073b2e04ca...
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.