OpenTechnical

OT-2026-000044019

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000044019) never changes.

Identity and time

Publication numberOT-2026-000044019 · never reused
Internal UUID01a0ae7b-d679-7f3f-8875-b1e256ea20f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044019
StatusPUBLIC

Content hashes

Canonical texteb0c7fbafb7fdbad756e1bad6aab4babeec6139e5fd481e0624b90647dd9821c
Markdown65d08d0fe0a6b59f42c7ff6151036b1ea1950eebf36d343309c3b1cf74cc2fec
PDF
Publication page9e58babed0fc5bd5dc5c323a6aaf633395299aeebf1b09d14fe996b46bfa42ba
Manifest9e38c96af274506ee2dd1b596da7e1438f46078d76aa645b3a34283b28d2f8b8

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
SignatureRyrfayVhktCcsc3qGy/pTvASu6LijKySq5YzWP5czqKGgOYXJ7OOTk+O8+nhF05peQL/0Z9hMj9UXM/QDO6JBA==
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

2026-09-17T11:12:24.125131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044019
observed 9e58babed0fc5bd5dc5c323a6aaf6333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.108275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044019/manifest.json
observed 9e38c96af274506ee2dd1b596da7e143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.090736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044019/publication.md
observed 65d08d0fe0a6b59f42c7ff6151036b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.073258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044019/publication.txt
observed eb0c7fbafb7fdbad756e1bad6aab4bab...
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.