OpenTechnical

OT-2026-000090025

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000090025) never changes.

Identity and time

Publication numberOT-2026-000090025 · never reused
Internal UUID01a0ae9c-428e-7a72-a9d7-99c85e83c972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090025
StatusPUBLIC

Content hashes

Canonical text63afde8c3870dde1a4268e42184c7c8c4ff5559d989f9dd2631770b4af9305b0
Markdownb9e825440c58337d114f1da3e9770c968100321947ced24d3bfc1b8162bf8d7a
PDF
Publication page112935f1791bd814c5f2c583c33530b6968657e76d155651252341e69194e6a4
Manifest4af197cecf68d2d3a3cd8f7bb5ef97a0a9f88339830f4d6e3c37e2d503503a89

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
Signatureo1RkNWIz5PWHSFPH9iUJzddyQgnajQFMfFtisLgQJLk4XMmOYwDSnUipBhPj9G0VisLud8uxfJ0p6GD8lTwGAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:25.371459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090025
observed 112935f1791bd814c5f2c583c33530b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:25.354209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090025/manifest.json
observed 4af197cecf68d2d3a3cd8f7bb5ef97a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:25.336329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090025/publication.md
observed b9e825440c58337d114f1da3e9770c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:25.317089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090025/publication.txt
observed 63afde8c3870dde1a4268e42184c7c8c...
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.