OpenTechnical

OT-2026-000026308

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000026308) never changes.

Identity and time

Publication numberOT-2026-000026308 · never reused
Internal UUID01a0ae71-f4a6-7036-b5e2-d1cab063458e · 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-2026-000026308
StatusPUBLIC

Content hashes

Canonical text465ed7550c8c799cbd022a5f9d612016ec0505289d6c5f7b99fdf61d0f33c298
Markdown24e430c8c87371d46eb0da9ddd2d5a7da25655993ccd53b0e7f88837a53b8ab6
PDF
Publication pagea791009e81088a7c6a517a3410ac16fb3dce9f656fdeb2dfd3ea55f52279c8d8
Manifest43bd7df6479cb592b67b275b0458a961bfb249082d1eb66b4ff4b34a9945e124

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
Signaturefwt2zbsadeg/mBTytm30PMh/kortv8SWZR8vV6s4h5P12RQ8eTuY2Nru9Tup6+18AUMPgGCnx5o9e9B3dfeDDQ==
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

2026-09-17T11:44:15.640187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026308
observed a791009e81088a7c6a517a3410ac16fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.623862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026308/manifest.json
observed 43bd7df6479cb592b67b275b0458a961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.607529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026308/publication.md
observed 24e430c8c87371d46eb0da9ddd2d5a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.584963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026308/publication.txt
observed 465ed7550c8c799cbd022a5f9d612016...
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.