OpenTechnical

OT-2026-000092179

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000092179) never changes.

Identity and time

Publication numberOT-2026-000092179 · never reused
Internal UUID01a0ae9d-875a-7249-9c2d-84a2b52ce4ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092179
StatusPUBLIC

Content hashes

Canonical textc75ea6dda0017f46d496d28a6e5e045104b7a0f99d42d04ce48c927773f07fa2
Markdown43f930b675662e3202cbc18d0c2ac749d81a773c1c710ea07bda947d0d25db76
PDF
Publication page74b02cfc121ac73a23de52035ff1ac361128cc73bf76e8952f4ebbca86f18a40
Manifest5bb0ea5d7f3353da4f6403fc835babf08cb0260fcce3ff881543d6d39efa5104

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
SignatureraU9elDHkqfCWC8NzuSyjfx/EZuobMI1CbGOMiSuwri43AuQEaCw1DQ0uer/mUGv6qYighj2oUDXb468sZX1Ag==
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

2026-09-17T09:41:39.544786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092179
observed 74b02cfc121ac73a23de52035ff1ac36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.525028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092179/manifest.json
observed 5bb0ea5d7f3353da4f6403fc835babf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.506911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092179/publication.md
observed 43f930b675662e3202cbc18d0c2ac749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.489302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092179/publication.txt
observed c75ea6dda0017f46d496d28a6e5e0451...
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.