OpenTechnical

OT-2026-000045206

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000045206) never changes.

Identity and time

Publication numberOT-2026-000045206 · never reused
Internal UUID01a0ae7c-f769-70bb-9f67-057b0dcbd628 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045206
StatusPUBLIC

Content hashes

Canonical textf9bf7a3e4723badd6e0cd4c6a9857358d3fda0b6ec9acc6a69948d24d583fef5
Markdowne86417942ff1fee5c9270ab10eb95468e60c812772dd542f9f85994e005ba7f4
PDF
Publication pagea5ef36d9c5d4a0e9e2e264a32d0b00b84c80939cbb4f973be9ba0f91d94ba8f4
Manifest95ac6e2410f21a87a9e85ae8c100b55c4ab0fa01c6898696cf28bdef8a80e5f5

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
SignatureRMWfe5MwPpLvxpBHQvMlTgCXEYtIo3HpHU6vE92xEMCf0KPYi4E5nXuJQK6OWG0qn3AoIXbKAhkTCxNqN1Y/Dg==
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

2026-09-17T11:10:23.383586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045206
observed a5ef36d9c5d4a0e9e2e264a32d0b00b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.364941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045206/manifest.json
observed 95ac6e2410f21a87a9e85ae8c100b55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.345615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045206/publication.md
observed e86417942ff1fee5c9270ab10eb95468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.318820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045206/publication.txt
observed f9bf7a3e4723badd6e0cd4c6a9857358...
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.