OpenTechnical

OT-2026-000025097

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000025097) never changes.

Identity and time

Publication numberOT-2026-000025097 · never reused
Internal UUID01a0ae71-2729-73d3-a161-09698676585d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025097
StatusPUBLIC

Content hashes

Canonical textaf643395c6b59951563e6c6f2a04f0e4bc0f10115af34093c4ba020106226b0e
Markdown53f380ff900bfe8eea99a1f63bb091512f30b19c2a3ce2b33aa62d568c4b98ed
PDF
Publication page6d3e82809698e7a02efe7cdf70198b0cfe9da67abf88d9447d922ab898bca88f
Manifest5e0ffa94e8c7d63ef4ed198249941f8b926260105d441e0dd86c8faf6075119d

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
SignatureQzDpMTz9yLliEqkD2WGARj2vhY1DrfEgbZSqFshKbfn7z98n652vLybLa5Z0SHmZn9Mrmt1KUHcjeb5P/30DAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:31.059094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025097
observed 6d3e82809698e7a02efe7cdf70198b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.041224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025097/manifest.json
observed 5e0ffa94e8c7d63ef4ed198249941f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.024077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025097/publication.md
observed 53f380ff900bfe8eea99a1f63bb09151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.005427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025097/publication.txt
observed af643395c6b59951563e6c6f2a04f0e4...
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.