OpenTechnical

OT-2026-000032787

Publication integrity record

Foam pad 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-2026-000032787) never changes.

Identity and time

Publication numberOT-2026-000032787 · never reused
Internal UUID01a0ae75-4841-71db-8c00-449cfd6ea8a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032787
StatusPUBLIC

Content hashes

Canonical text0ed5eeb2094c3744760e9f1f2376ffd9e437830e4d998453a598a00d61a6ec40
Markdowna254b60ebfaedfcb00e99523bd9a044149b4d3a9e079a8dc0396ddb52029511f
PDF
Publication page35b2d94927fdb6410931b899a631687bb510e4d72a646400ee9f3b5929fda0a2
Manifestd215107eb4bed9c2c74b8aeea88c56f728cca0cefbaf7919fe3dc91935e25c76

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
Signature9kYKZXMW5c7a6BnRh7zRtHhvDdgUn9k4LuHb+gs21OoWYnSwkiyuJ+V/r1A3A6EpSU3+BeqnkhI+3o3i7VM/Cg==
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

2026-09-17T11:32:13.821683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032787
observed 35b2d94927fdb6410931b899a631687b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.804402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032787/manifest.json
observed d215107eb4bed9c2c74b8aeea88c56f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.784807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032787/publication.md
observed a254b60ebfaedfcb00e99523bd9a0441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.765664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032787/publication.txt
observed 0ed5eeb2094c3744760e9f1f2376ffd9...
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.