OpenTechnical

OT-2026-000088052

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088052) never changes.

Identity and time

Publication numberOT-2026-000088052 · never reused
Internal UUID01a0ae9b-1aa7-7ecc-b5b5-08d0bf937f5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088052
StatusPUBLIC

Content hashes

Canonical text30fe611254d6014f78f218a472a35e8790a568ad393307cf6595f9e2b63fe630
Markdown00f81255b80ca12d03d0a7a036a695a6e3a438139d7be0e3b342e0ed540949e4
PDF
Publication page87a90d72b95a3e8c33e44a2abe1ffb2ea7f891200109f588b1009bbe6741eae7
Manifest2ada78d6bdf9b9158876344c3c18f865297fe3d38cd9dc10b4623d42f5f9c3d5

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
SignaturefQ+ue9gvguMEQebOVBulNwE6gLrjaTGQI+5FG1DY5wezGrR+ClKNzi6FP8luHKcj7WRCruC/zZl9HGLB5QpHAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:27.020007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088052
observed 87a90d72b95a3e8c33e44a2abe1ffb2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.999544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088052/manifest.json
observed 2ada78d6bdf9b9158876344c3c18f865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.980161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088052/publication.md
observed 00f81255b80ca12d03d0a7a036a695a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.960620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088052/publication.txt
observed 30fe611254d6014f78f218a472a35e87...
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.