OpenTechnical

OT-2026-000025885

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000025885) never changes.

Identity and time

Publication numberOT-2026-000025885 · never reused
Internal UUID01a0ae71-a83e-78bc-bfa1-9e9d7ca76d6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025885
StatusPUBLIC

Content hashes

Canonical text23fbd830f5476e6beb645ea6fb777d66f755ecaae09805555354f6033d3dcda9
Markdown261acc088052d44e58782f7b87dc7ee217b6cce071b9a5af14ca220f06ba4e79
PDF
Publication page70bebe6a6c63a9653900c911fff117ecc42db2b0437db2ec4bd65738e882ced1
Manifest699a6fc64c95fcd18843de2323e345471074eadd7d12d807a33cdabba2552fcd

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
SignatureEcHbl8TnmLwDijD0ujVSYYkJ18/IhlVruxuUbqAJK2WWEw40v4dCrqAnpFDqARiHaKlVEOV5BNhCl1ErxIZwDA==
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

2026-09-17T11:46:13.551752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025885
observed 70bebe6a6c63a9653900c911fff117ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.533796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025885/manifest.json
observed 699a6fc64c95fcd18843de2323e34547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.517592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025885/publication.md
observed 261acc088052d44e58782f7b87dc7ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.500564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025885/publication.txt
observed 23fbd830f5476e6beb645ea6fb777d66...
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.