OpenTechnical

OT-2026-000051179

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000051179) never changes.

Identity and time

Publication numberOT-2026-000051179 · never reused
Internal UUID01a0ae83-273f-73cf-8d6c-233c739a2838 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051179
StatusPUBLIC

Content hashes

Canonical text517b5949cf595a0197e52382b0d8f65b7dd9dfd8bfb4286694aba84eee8f7879
Markdownc1afc124d0ac7c7c15049b9e697f2684a78e1953ae874f1348cf38255aee87cf
PDF
Publication page413944a9688026e2d83b822f5733df856a12d8ff2018757c22b6e70aecf875e3
Manifestc4f20b560f657ed6af01b6b2f2568dc642a34b8bfe56c6e62c803b493ee6c9e1

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
SignatureyZAC7omNDzPJXF0F0Dk3EUMVZI/HZUbd+hNep93kBcDXn8Dp9NTTfk4HA6WXa8pzqruSnzRTM8+sVQTnrlf9Dw==
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

2026-09-17T10:58:57.177977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051179
observed 413944a9688026e2d83b822f5733df85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.160292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051179/manifest.json
observed c4f20b560f657ed6af01b6b2f2568dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.141085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051179/publication.md
observed c1afc124d0ac7c7c15049b9e697f2684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.119340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051179/publication.txt
observed 517b5949cf595a0197e52382b0d8f65b...
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.