OpenTechnical

OT-2026-000043653

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000043653) never changes.

Identity and time

Publication numberOT-2026-000043653 · never reused
Internal UUID01a0ae7b-92d0-77b3-9e12-b6d8a02feb5b · 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-2026-000043653
StatusPUBLIC

Content hashes

Canonical text4dee69590e5f6a18bc870742027c65749d9bc02ad04e661dfa9c81dfc41215ba
Markdown90f4e08b27b4579ab724d0245762fae6802fdec94d0bf54905d27dacdfdd6669
PDF
Publication page4712b7931aced04452fad922dea02066891006cbd47150a4f2c85b0b2da9dd00
Manifestdeda0f88e1a86140de5e2d979913e30d1b10af7796d3af213f3fff86c0ec5727

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
SignatureIDAvbdzAW6UcBFVhSHSoZ9ddJUEo1NgbTJ5h2alAe9YCl3OPm6am02cTjJJfD4ZxMdjasdiLNR+aPSna1LyUDw==
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

2026-09-17T11:13:08.072556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043653
observed 4712b7931aced04452fad922dea02066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.053904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043653/manifest.json
observed deda0f88e1a86140de5e2d979913e30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.034213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043653/publication.md
observed 90f4e08b27b4579ab724d0245762fae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.013602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043653/publication.txt
observed 4dee69590e5f6a18bc870742027c6574...
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.