OpenTechnical

OT-2026-000103644

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off after 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-2026-000103644) never changes.

Identity and time

Publication numberOT-2026-000103644 · never reused
Internal UUID01a0aea4-e462-747d-88d1-8295ed7d4721 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103644
StatusPUBLIC

Content hashes

Canonical text0ced617b5337eced74b373aefdddb6a71f514cc8718600dbad45a57d7bfd87b6
Markdowned1455070119dbbc4edb7cf243cc1918463a3c58b07cc76b2bd2d0aeb92c0c53
PDF
Publication page0c40ad37f8ccbe29b1de2d66419dc10b422c4601d13a3544b101a9dd73ff2f09
Manifest3e1e343778cc41c8e03b6c45b0b6aefa772b8996fd3d22b2c9478f932f5bf02b

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
SignatureEtzxeNNbOnph7a92+a5Re0okxXAq/9TqvjtDSemcijwxhi+8VBVbOJZcUdYvURVGGNgMV7+KUx62kwwQAobQCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:26.518056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103644
observed 0c40ad37f8ccbe29b1de2d66419dc10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.499212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103644/manifest.json
observed 3e1e343778cc41c8e03b6c45b0b6aefa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.480637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103644/publication.md
observed ed1455070119dbbc4edb7cf243cc1918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.462091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103644/publication.txt
observed 0ced617b5337eced74b373aefdddb6a7...
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.