OpenTechnical

OT-2026-000023155

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000023155) never changes.

Identity and time

Publication numberOT-2026-000023155 · never reused
Internal UUID01a0ae70-7267-74ed-ac64-06578f7a5e26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023155
StatusPUBLIC

Content hashes

Canonical textb2d9904ccdd64680982487b30344c5e9e2479955b1148d7011be88978cfbdc60
Markdownee0ca76d9b25ae8c8e0187f3a12f322c55947f86cc394e59d73a28015d2f58a0
PDF
Publication page75c2003ba30623ba96d3866e46f4e565d5416db3662f0937ce7da9049ebfb3e4
Manifest762a159784ab7de5251bc98830c8bfcf9e7abedc2c7a512cb8b4f2a4945953c5

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
Signature6QxgVZlHhVYgGrGzhEQkzZxhCMPpK9MxZUXmbDx6L8HTwN6bqSBTVgrYgCASuvuBzi/iKidpaB0TnZsjUcuLCw==
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

2026-09-17T11:51:05.600410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023155
observed 75c2003ba30623ba96d3866e46f4e565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.583551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023155/manifest.json
observed 762a159784ab7de5251bc98830c8bfcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.566308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023155/publication.md
observed ee0ca76d9b25ae8c8e0187f3a12f322c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.547585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023155/publication.txt
observed b2d9904ccdd64680982487b30344c5e9...
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.