OpenTechnical

OT-2026-000018565

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000018565) never changes.

Identity and time

Publication numberOT-2026-000018565 · never reused
Internal UUID01a0ae6e-b48a-767d-8053-54f3a8269609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018565
StatusPUBLIC

Content hashes

Canonical text11acd0a64df277b952e14a0e597cae0e33c87ada24f40601b70816d3b21a42a5
Markdown39340990b71af0a7744e300a7cd175e5e8d2ca6a271a19a914ed17b3c23975a7
PDF
Publication pageda3ac293377ae6e6a905cf2b4739787484a1590dbd0c77c721e6347257c28da1
Manifest4bfb24eb722ac5d1f36138ea7c24d7700dc3a83d316c1eeeef627c8a5d25fe89

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
Signature8niUCUH7l2WhI5r6Qdq9tZAhwrnActjYhLsHEPBYF8nwzNttGbxhpw6j2TKCQRMNJKeK1t30n7rHbhL7KEx3Ag==
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

2026-09-17T12:01:21.971652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018565
observed da3ac293377ae6e6a905cf2b47397874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:21.952409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018565/manifest.json
observed 4bfb24eb722ac5d1f36138ea7c24d770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:21.933855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018565/publication.md
observed 39340990b71af0a7744e300a7cd175e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:21.914976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018565/publication.txt
observed 11acd0a64df277b952e14a0e597cae0e...
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.