OpenTechnical

OT-2026-000015725

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000015725) never changes.

Identity and time

Publication numberOT-2026-000015725 · never reused
Internal UUID01a0ae6e-0c4b-7ca0-a47f-30e6a2f6b246 · 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-2026-000015725
StatusPUBLIC

Content hashes

Canonical text8ff19b458508efd37a3a21e32d5ef338fd67f05805b4a82e5cc2e2169e8ef282
Markdownb3d91c76f22cc625e2ad811c195c8c27ce8765c37ff48ed61fe00b9b19e685a2
PDF
Publication pageb62aff2ce6e4609979a31197d8c75a7d65874584d855861152cd8a94b56674bc
Manifest7a35dd0e481378c50d8f935bf31f43562d4d384ac5f89b367246f3a1fae1c1a9

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
SignaturelNup++a2USckUdFu5YsLMflUkq+XPFuWoUJ5hHufWereKWjytALLSaMKkar6WQA8khdS1BjBUF+Iei0qFJhmDw==
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

2026-09-17T12:05:00.614119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015725
observed b62aff2ce6e4609979a31197d8c75a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.596053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015725/manifest.json
observed 7a35dd0e481378c50d8f935bf31f4356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.578425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015725/publication.md
observed b3d91c76f22cc625e2ad811c195c8c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.560475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015725/publication.txt
observed 8ff19b458508efd37a3a21e32d5ef338...
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.