OpenTechnical

OT-2026-000043555

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000043555) never changes.

Identity and time

Publication numberOT-2026-000043555 · never reused
Internal UUID01a0ae7b-92cf-7e71-a026-1cad0d5a178a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043555
StatusPUBLIC

Content hashes

Canonical text94353d901a575339c3bd592cabfe09cbc78d541b2a1dae4b76a0f2196a9c1422
Markdown8e79b6740fd97e8f1029484192bca0e39b467f90c3046423138c022711ec1f12
PDF
Publication pageaa1601f1060eb6c3a565a471fdb9234e063ca529fd5d6d1629d3724e09fa8c49
Manifest2f74f12f3a961631ac248ebe9e7b1f85d235250a4794cadcdf76b114c6ed8d87

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
Signaturey8Zw6yX5FXORyAE//y3fJJ/8GHseXgHVzMBFV2mjEVP61fZ/CrbDohfQ3/cqC5VeINWwyrUcQYPdmlMfSELIAg==
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

2026-09-17T11:12:56.729313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043555
observed aa1601f1060eb6c3a565a471fdb9234e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.707906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043555/manifest.json
observed 2f74f12f3a961631ac248ebe9e7b1f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.687642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043555/publication.md
observed 8e79b6740fd97e8f1029484192bca0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.665838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043555/publication.txt
observed 94353d901a575339c3bd592cabfe09cb...
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.