OpenTechnical

OT-2026-000030356

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000030356) never changes.

Identity and time

Publication numberOT-2026-000030356 · never reused
Internal UUID01a0ae73-e501-7828-b26e-4c85a16dcbc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030356
StatusPUBLIC

Content hashes

Canonical text543b81ee9d79dd840bf702d8b8d64e5f9e9b1eb0d1f991961d34a0bfb0708e70
Markdown4e23b1f92fcc21a9ae3037c4da285def21deccaea5eae33cf73760002d55f971
PDF
Publication pagefa251a6531e46259e793787f059a5b0c52fb75583157121475187c517f4e8585
Manifest55f40f95c2baf337f7d34d0d4530769a24befa279da73b5aea159238d947898e

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
SignatureXmQMZKcrw3LE1489WAzOFMVRMQc+Vvvd8I0Ng0asowQ29I3dIDQIrDDX5tD0HruY5pnwB0WnOOIokofqM8aTAg==
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

2026-09-17T11:38:04.422959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030356
observed fa251a6531e46259e793787f059a5b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.407234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030356/manifest.json
observed 55f40f95c2baf337f7d34d0d4530769a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.390268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030356/publication.md
observed 4e23b1f92fcc21a9ae3037c4da285def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.373877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030356/publication.txt
observed 543b81ee9d79dd840bf702d8b8d64e5f...
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.