OpenTechnical

OT-2026-000038445

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038445) never changes.

Identity and time

Publication numberOT-2026-000038445 · never reused
Internal UUID01a0ae78-2d53-775f-9729-a0443d320ce5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038445
StatusPUBLIC

Content hashes

Canonical text91aac1c7dbc6e5cecdb0dd95322464aaff30f7de261ac35d5a22381f384c2308
Markdown26b5297c56c335ad111a30981ef2e2a8101b1c54bb4f56c8514a4871d6384f55
PDF
Publication page06cd5ca58e654fa3018de6eecc2e1a4a3ea63aab2c672184f7d55f7b873d5b88
Manifest0f84098bc62949fe0ba28d50ec393dc2eb141257b8d44176602e0f5cccd47a3d

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
SignaturelH/7N6NnLbPa0+bwgTjoEsQvf+ewAMuJkSUP1OMfad24AUJC8WEVU5lqzPTLkVBD8HghKESQcgJJWCuJ7MObAA==
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

2026-09-17T11:22:40.496591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038445
observed 06cd5ca58e654fa3018de6eecc2e1a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.479779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038445/manifest.json
observed 0f84098bc62949fe0ba28d50ec393dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.462301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038445/publication.md
observed 26b5297c56c335ad111a30981ef2e2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.444268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038445/publication.txt
observed 91aac1c7dbc6e5cecdb0dd95322464aa...
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.