OpenTechnical

OT-2026-000016042

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000016042) never changes.

Identity and time

Publication numberOT-2026-000016042 · never reused
Internal UUID01a0ae6e-0c4e-79fd-a9f8-0a998223e26b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016042
StatusPUBLIC

Content hashes

Canonical text063a92b5a252f2e64c6a5533c4992113124b475ec36cf3ba79a2ddb3300444d1
Markdown9c82e1b1a1295b6d3978582cc5d072391048d56c2a9d3c224cb77a38d7d8866c
PDF
Publication page688139b592516e48a9e74673d669e0efc65cc987b7bd3923f2759347fc0ee182
Manifest8069702261bc8a263440662404d831d66a3fbf6bf1e94622463befa7cd364cbf

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
SignatureA725OzBxmA88OzwBFsIwT7XRX+wo9Y9ycQAVyFoaCVSVtkiD17A1UcMpSn5Vb+EoGOFIAvk6aKal0mol0VoVBw==
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

2026-09-17T12:05:35.720629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016042
observed 688139b592516e48a9e74673d669e0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:35.596334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016042/manifest.json
observed 8069702261bc8a263440662404d831d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:35.575684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016042/publication.md
observed 9c82e1b1a1295b6d3978582cc5d07239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:35.555636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016042/publication.txt
observed 063a92b5a252f2e64c6a5533c4992113...
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.