OpenTechnical

OT-2026-000025029

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000025029) never changes.

Identity and time

Publication numberOT-2026-000025029 · never reused
Internal UUID01a0ae71-2728-7c06-97ab-60d0808fdfdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025029
StatusPUBLIC

Content hashes

Canonical text3025d964756f8ce33af38578b3f3e3422659731202071eb58b69bd023fe98956
Markdown79061796b132698784baa2b6c2551fa1fc858e5102beae7c4d67e2165f481a82
PDF
Publication page9dfe155b26bbf8ff8c4c92007e07634303dfd5cf8e8c79c1f0ef5469687fbdf3
Manifest8422824de51c5c7151a504863a52b0dc000b9c5483ae4fcd0df0cf1105243ba3

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
Signature3QsKU9VGO3iQNSZzL+APyozhTt30CBh9VzERfI8wwX5i7uUaWkZz4242Cw2m7+kfLDpANZLLcZGM0d6MiGyGDA==
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

2026-09-17T11:48:25.968835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025029
observed 9dfe155b26bbf8ff8c4c92007e076343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.951615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025029/manifest.json
observed 8422824de51c5c7151a504863a52b0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.934272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025029/publication.md
observed 79061796b132698784baa2b6c2551fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.917643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025029/publication.txt
observed 3025d964756f8ce33af38578b3f3e342...
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.