OpenTechnical

OT-2026-000097312

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000097312) never changes.

Identity and time

Publication numberOT-2026-000097312 · never reused
Internal UUID01a0aea1-01cb-7d37-98aa-f1eab2669962 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097312
StatusPUBLIC

Content hashes

Canonical text5eea3a66a86a57e6ba07b1a02f036917174b1cdbe2f0fd23c39fdea9509ee0a8
Markdown9b49ffa0d97b31511624c22ce0a1d65133a0a52ad4fd9c5e1c6383a4bb19542b
PDF
Publication page444aa00cb4897ad1d106eb1a7de4cbaf3117d3e4f2936dfbd773debf1ac1d115
Manifest0c8c4587bf23a7453d895838db50cc42f19530249622ded7798eb97c80d0cb97

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
Signatureh1rTE6+wiLpclMbwqJAvcA5QOirZtQk2O4LJnvZ4YXGjvrRqxUzHpvWvJZ+9HH2yvGAM2AZX08GI2FJ0Khi8BQ==
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

2026-09-17T09:10:03.188737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097312
observed 444aa00cb4897ad1d106eb1a7de4cbaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:03.171801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097312/manifest.json
observed 0c8c4587bf23a7453d895838db50cc42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:03.153793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097312/publication.md
observed 9b49ffa0d97b31511624c22ce0a1d651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:02.936974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097312/publication.txt
observed 5eea3a66a86a57e6ba07b1a02f036917...
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.