OpenTechnical

OT-2026-000024819

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000024819) never changes.

Identity and time

Publication numberOT-2026-000024819 · never reused
Internal UUID01a0ae71-2727-7d4e-bb6d-566b721f190b · 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-2026-000024819
StatusPUBLIC

Content hashes

Canonical text58c2e3e3423a6a93dda0013a65c8e1380347183fc24d57ffeb6c00ef1bdee217
Markdown9d631551fad27d08755b274faadabce7b1c3d503cdfb9d058c5b11e334990896
PDF
Publication page4a77ac5c87a88d6807c48922449422b10e108fdd84f0e05412329612cb24f7b4
Manifest93a76a011af2f8131240a775976782c6b2a6958f85087cfe3e4069422a419796

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
Signature6XDBWiQAGDkofwIlqhFQtJV8eRQPSTEt5Ejf0UOPZ/qG+fEirOeEdPxVzUrqxY9/0ygM2lXPAcPyt3u1cbqbDg==
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

2026-09-17T11:48:06.033725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024819
observed 4a77ac5c87a88d6807c48922449422b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:06.016097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024819/manifest.json
observed 93a76a011af2f8131240a775976782c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:05.997557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024819/publication.md
observed 9d631551fad27d08755b274faadabce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:05.979108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024819/publication.txt
observed 58c2e3e3423a6a93dda0013a65c8e138...
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.