OpenTechnical

OT-2026-000025679

Publication integrity record

Two cup vacuum gripper, two zone face, six 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-2026-000025679) never changes.

Identity and time

Publication numberOT-2026-000025679 · never reused
Internal UUID01a0ae71-9bc9-7ec9-bb79-1908435ecef9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025679
StatusPUBLIC

Content hashes

Canonical text78ad08db506b4e666c6d34f33ad7ca30d1306e50a9d5a27680a6f87c22a8d3ca
Markdown4d0c4796fd8717c5e0f3a6aff5bcb2f40facd5758d3b966442f0cd4b0ade8988
PDF
Publication page492435392e7a503d69e77bc2d3753cc09b3fbe052eb4ecb6abb2ab62af42743b
Manifest80553e06193208db76b82a14c8cf33c55095025dd8f642450924ad9654e32a9a

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
SignatureohvhLTPi0lpYz4o69gB9CzzaUGc3HNmBzpHaLo1+NbF+uJUzTjL3XgsMBBhbQxgDHh6Wr893gwrZCJO6XcSCCQ==
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

2026-09-17T11:46:53.380358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025679
observed 492435392e7a503d69e77bc2d3753cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.361412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025679/manifest.json
observed 80553e06193208db76b82a14c8cf33c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.343775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025679/publication.md
observed 4d0c4796fd8717c5e0f3a6aff5bcb2f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.326313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025679/publication.txt
observed 78ad08db506b4e666c6d34f33ad7ca30...
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.