OpenTechnical

OT-2026-000009808

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, vented after 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-2026-000009808) never changes.

Identity and time

Publication numberOT-2026-000009808 · never reused
Internal UUID01a0ae6b-7565-7847-8bcf-342dc1272deb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009808
StatusPUBLIC

Content hashes

Canonical textd8ec1f8d82a8babad8e32876d0b332dbd74b8f6fb55b13110151167a48463192
Markdown3c613188449f8495119a8c9be2a325ff625144e95a76ace91fdfd5997e355685
PDF
Publication page8871aca6e341ddb3fa6d62afdf825d7f18f42532e534d417ba055bfcd2c32c9e
Manifest8275f88a2d89597470f957e9c1b284b7c76aa42dad9982eaa0e30010f3f559de

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
SignaturePZ8/NpFlpnR+5xMCyUl9+UZHOsT6go3ZC+S+PJaRK0NRqHoYu3oAvdaINWLX7twSsF06LsSmJ6HZ+eKfiECyBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:20.085826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009808
observed 8871aca6e341ddb3fa6d62afdf825d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:20.066924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009808/manifest.json
observed 8275f88a2d89597470f957e9c1b284b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:20.043366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009808/publication.md
observed 3c613188449f8495119a8c9be2a325ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:20.021083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009808/publication.txt
observed d8ec1f8d82a8babad8e32876d0b332db...
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.