OpenTechnical

OT-2026-000096831

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000096831) never changes.

Identity and time

Publication numberOT-2026-000096831 · never reused
Internal UUID01a0aea0-a4ad-7902-8eb7-1f99d9ff1879 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096831
StatusPUBLIC

Content hashes

Canonical text896dec7f20f59e76b533fe5a0e32fb741351067fffcd59da5335ff987d41b77d
Markdownb724c106afd26f5a92a8f3f6436ac3ced7fc5651528b272dcea84a5ef3898cc5
PDF
Publication page37be552fbd5a7cb9afb91234fedfd77f869e6023aba11a5b7113dcb33fd45bf7
Manifestd8a9348796a9b05f48c7acc15b2de2cd9957d604fdbb48eba2afd2a27d9b5000

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
SignaturePJ7palwOaCGYlp/aCcNHM4XhUK5/a5QaCeBoUoWkHPIUxOu7PE1oHUXbf4vG0jPekfFD9kk5h27jN+uXJpvdAw==
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

2026-09-17T09:34:25.686781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096831
observed 37be552fbd5a7cb9afb91234fedfd77f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:25.669000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096831/manifest.json
observed d8a9348796a9b05f48c7acc15b2de2cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:25.650768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096831/publication.md
observed b724c106afd26f5a92a8f3f6436ac3ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:25.630008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096831/publication.txt
observed 896dec7f20f59e76b533fe5a0e32fb74...
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.