OpenTechnical

OT-2026-000024038

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000024038) never changes.

Identity and time

Publication numberOT-2026-000024038 · never reused
Internal UUID01a0ae70-aed7-7f05-9868-a95e2de4f4cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024038
StatusPUBLIC

Content hashes

Canonical textdf60808cb4ef1a9b7a011d0b7ee35f2f9f44b6645d9c6871fe5051c4e2cee78d
Markdown2cf3ba139b4fa9e5e147e8a94f0ab01c4a5b23c0516c00ab71ed8726925a7e45
PDF
Publication paged27c54d350617609eaab93aac560831eaba8533517b19dd5ee3c0b633cee6a9f
Manifest1018d521232680c05fe62075edb6245bf0081bd395ffcc07513cca48101810b0

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
SignaturekyNKjkCE4Jqa7aq5wHHXIYGz3cTOC074gDURIYlEGQ+/k8kzEzFXr1VDze8/YnmnvRfQXKOzenzpdbLgQ7rDAg==
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

2026-09-17T11:50:49.568705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024038
observed d27c54d350617609eaab93aac560831e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.549160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024038/manifest.json
observed 1018d521232680c05fe62075edb6245b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.532524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024038/publication.md
observed 2cf3ba139b4fa9e5e147e8a94f0ab01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.513096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024038/publication.txt
observed df60808cb4ef1a9b7a011d0b7ee35f2f...
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.