OpenTechnical

OT-2026-000025713

Publication integrity record

Four cup vacuum gripper, four 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-2026-000025713) never changes.

Identity and time

Publication numberOT-2026-000025713 · never reused
Internal UUID01a0ae71-9bca-7b51-8dd6-203e4925207b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025713
StatusPUBLIC

Content hashes

Canonical textffc9e4839a2c99234dead10f270bf56b5149c322e06659453e4d9a8f5b1ba0e6
Markdown02c62b514a1aec2eca88c10586731f36f3cf8a3a82f6657d21747794a987db83
PDF
Publication page9e9b3bc508a1306ad8b41d5c494a1f3d2a71fdd29e9c6e3bc7a2045c97691fc5
Manifest3d45ec65389ae8cc1277c0006d8d4544b231386cf2543c3c6266639c1f9a99dd

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
Signaturer3+jjkEV4gerLtUy7uC93S/UuHXnx1IVM8XyWvSpHQRlqpHZhkVtiUNprecY5OjdcrkJQ1TVuaJ5fCnfq1IMBw==
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

2026-09-17T11:46:55.726311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025713
observed 9e9b3bc508a1306ad8b41d5c494a1f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.710280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025713/manifest.json
observed 3d45ec65389ae8cc1277c0006d8d4544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.695140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025713/publication.md
observed 02c62b514a1aec2eca88c10586731f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.677789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025713/publication.txt
observed ffc9e4839a2c99234dead10f270bf56b...
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.