OpenTechnical

OT-2026-000027458

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000027458) never changes.

Identity and time

Publication numberOT-2026-000027458 · never reused
Internal UUID01a0ae72-6998-76b2-96ae-1c6357e4dea5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027458
StatusPUBLIC

Content hashes

Canonical textde13187b432535919bb3060c2efa2112c304f5b42affa8dfc57e94e24fc610d5
Markdownb7c003f04b34a546606e4c1e10377dda186c83c1f265742219133714d64cad01
PDF
Publication page70841191eaa64ff11cafdbd58ad0e45002c56a31b0d88d3e3623dfd651c611f6
Manifest51928368561dae6f571aa9567ef9ce0fa053c1b6e807f8e7a3753e3b6595cbad

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
SignatureIO5hqtawjtP+R++Nwcl+LZNLEbcophndcqvM8Hzn6XbDGNpIcAbaL3DLnlOt3tckB6Bxjr+/cjmp8wUjYQhGDA==
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

2026-09-17T11:42:54.959111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027458
observed 70841191eaa64ff11cafdbd58ad0e450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.943115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027458/manifest.json
observed 51928368561dae6f571aa9567ef9ce0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.924801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027458/publication.md
observed b7c003f04b34a546606e4c1e10377dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.906887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027458/publication.txt
observed de13187b432535919bb3060c2efa2112...
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.