OpenTechnical

OT-2026-000028097

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three 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-2026-000028097) never changes.

Identity and time

Publication numberOT-2026-000028097 · never reused
Internal UUID01a0ae72-a520-7c6e-8984-5c95ebd219d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028097
StatusPUBLIC

Content hashes

Canonical text1f92bcb8bb610ff319f8e29cabef11878bcef8a24b76f77af0065b03df956825
Markdownfb4e8c1c87183282ad41df5940e02f8839d0f53997369fa38040a51d3fbd5887
PDF
Publication pagef7971042e38b987640ebfc7dcd0ca40faa778d8ba862760e37b2897e3e99a86d
Manifestfb7f885366f2796a3d8ef6d1c1a6cb4b1a0c7c9689b6d0f4105c3e2406b44ddc

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
SignaturegSMWw8L1FgVThFQ7Y9WZRYG0afaCz5mNaoIxGOLOlvsABy6eFKyRf/v58AhvvZ4Iq3kqfFN4M4YyyjEpetvqBQ==
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

2026-09-17T11:42:26.645011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028097
observed f7971042e38b987640ebfc7dcd0ca40f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.627795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028097/manifest.json
observed fb7f885366f2796a3d8ef6d1c1a6cb4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.609290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028097/publication.md
observed fb4e8c1c87183282ad41df5940e02f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.592027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028097/publication.txt
observed 1f92bcb8bb610ff319f8e29cabef1187...
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.