OpenTechnical

OT-2026-000079623

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000079623) never changes.

Identity and time

Publication numberOT-2026-000079623 · never reused
Internal UUID01a0ae96-0b92-783f-830c-02b7e248cde9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079623
StatusPUBLIC

Content hashes

Canonical text22c53410103d0f1cba76b36aaf02760dd2186ab93633142f9f13216903041410
Markdowna9557ac0f66ef3661c57edbbb484dce87456b483567c241472d292a54333beec
PDF
Publication page14c7e71d218b1e7701fe0b46443a3a0bf18f361788203dfe8a3efd1a0f590f54
Manifestca6a086779d0b0d807326fe9aeda2e3cc29ab4dd1168f6dd095d7a3b16818bdb

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
SignatureqdIaF/BX86CzAHHNAm0dhfDm7zYieFI7ZIfxrvpRhjs/hRY81NALOc0qdcCYPP+F6t+N6G//npfsb0/5KTAmDw==
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

2026-09-17T10:05:17.262067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079623
observed 14c7e71d218b1e7701fe0b46443a3a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.241780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079623/manifest.json
observed ca6a086779d0b0d807326fe9aeda2e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.221364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079623/publication.md
observed a9557ac0f66ef3661c57edbbb484dce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.201916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079623/publication.txt
observed 22c53410103d0f1cba76b36aaf02760d...
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.