OpenTechnical

OT-2026-000104188

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump 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-2026-000104188) never changes.

Identity and time

Publication numberOT-2026-000104188 · never reused
Internal UUID01a0aea5-341f-7d51-bd97-6318a01dd2ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104188
StatusPUBLIC

Content hashes

Canonical textff3d9d9464b65a4d77bd1eaf7f5849df439e8e5deecef337addaa5b5474302a0
Markdowna701d42ad9e37402d3f4fd20b39819c394fdaf1fa40a34b5ad236c4bd834a267
PDF
Publication page4113f4c21263fd4714d1329194e6091ce3e8eaf20eae637f0f3a52d3cf6ca23d
Manifesta50982d6b472aadf4cf92084755af19d0e1310f3b95b3e285d1b0bb805eb084b

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
SignatureIBYk4LFtxQ2NEseMq+D4gFO1M64/7O5iy0zqOuPUImXrx7ZPOchikWUqO6WzG38f6TwpAIMRyfYI8YYyWFzpDw==
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

2026-09-17T09:20:16.991530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104188
observed 4113f4c21263fd4714d1329194e6091c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.975422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104188/manifest.json
observed a50982d6b472aadf4cf92084755af19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.956927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104188/publication.md
observed a701d42ad9e37402d3f4fd20b39819c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.937844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104188/publication.txt
observed ff3d9d9464b65a4d77bd1eaf7f5849df...
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.