OpenTechnical

OT-2026-000049602

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049602) never changes.

Identity and time

Publication numberOT-2026-000049602 · never reused
Internal UUID01a0ae81-8f7d-7348-aa08-16241d1f5370 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049602
StatusPUBLIC

Content hashes

Canonical text192522229f9a7c498e26337d73a4f85a47d7f7c8cdc4c0fd54f6c96b1a1006b3
Markdown99039dc621c31b0a1af0dfaf49ed4336cf5fe8dd113e13078585ceea12373b65
PDF
Publication page1b987304895be902fa3a479ff14c48902b3e747cc9623817b4c80aecc811e7fa
Manifest85d1c6ee367f76fce4312d1c7b292879bd3b6d1b3f5cc3b2e32a8936ebd8c622

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
SignatureifkK5ypA9wy8bwlHp/29sj1k0m7vQYyNFf2+fiy7NQ9deal5LKWSbzcPP7cxPZEJtlF+KpIgMwzYHn08YCvMCA==
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

2026-09-17T11:02:35.026283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049602
observed 1b987304895be902fa3a479ff14c4890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.007455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049602/manifest.json
observed 85d1c6ee367f76fce4312d1c7b292879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.989157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049602/publication.md
observed 99039dc621c31b0a1af0dfaf49ed4336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.970590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049602/publication.txt
observed 192522229f9a7c498e26337d73a4f85a...
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.