OpenTechnical

OT-2026-000026451

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000026451) never changes.

Identity and time

Publication numberOT-2026-000026451 · never reused
Internal UUID01a0ae71-f4a8-7365-baf7-2adb634c0441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026451
StatusPUBLIC

Content hashes

Canonical text99deda53a614c17f373d8487844c3bb69df4a213710f4ab915c904fc980c748b
Markdownfa5f3e6c7e79f7ec54e88bb57b92e1f6564dfd96313b6545edf142cb4c555077
PDF
Publication page01f65a8f5e8cf532fe88e0379ae42dd1471a7b6516ad81b7532d21ba0cd613c4
Manifestae0680dc9a9bbae3d427f949171aef31e9a5e8ee8e962a64fb1eea698426d5d2

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
SignaturehT7cQL1pywtj9RmxsXy6TNF12BfiUrXPj1OsnOn94Dwo1mUHV6YbeMO0Jc05y+rx6kPd7BSOljzyxnC5HPYlAA==
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

2026-09-17T11:44:27.006074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026451
observed 01f65a8f5e8cf532fe88e0379ae42dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.988649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026451/manifest.json
observed ae0680dc9a9bbae3d427f949171aef31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.971121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026451/publication.md
observed fa5f3e6c7e79f7ec54e88bb57b92e1f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.945138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026451/publication.txt
observed 99deda53a614c17f373d8487844c3bb6...
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.