OpenTechnical

OT-2026-000039621

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000039621) never changes.

Identity and time

Publication numberOT-2026-000039621 · never reused
Internal UUID01a0ae78-d8d4-710c-938c-27c9f766881c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039621
StatusPUBLIC

Content hashes

Canonical text84092a69b26d3f418cd96c18a77e00c971212381509890a4133936c5c71a33b2
Markdown179c45f49d6c046a16236742a6670be7e859f0e5295475b036b0932d16863c22
PDF
Publication page828eab1a6a40b0a99c06eaaab81af88e31917821f203fe10178b5340be3dbc04
Manifest70b0caed041d8473a7b664335ca53fb41175b645249e82795bd812cb81b0f788

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
Signatureh/aLryix/XyBwYcUa9bjO5IsdzTLjxQ2Z98o+waqt2bVzgkOmkoLVGkEWGW8Ed4NcwX/HOyy2LsEAESQpbGHCQ==
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

2026-09-17T11:19:47.303424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039621
observed 828eab1a6a40b0a99c06eaaab81af88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.284916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039621/manifest.json
observed 70b0caed041d8473a7b664335ca53fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.268145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039621/publication.md
observed 179c45f49d6c046a16236742a6670be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.250725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039621/publication.txt
observed 84092a69b26d3f418cd96c18a77e00c9...
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.