OpenTechnical

OT-2026-000038533

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000038533) never changes.

Identity and time

Publication numberOT-2026-000038533 · never reused
Internal UUID01a0ae78-2d53-7505-991e-62491bd05185 · 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-2026-000038533
StatusPUBLIC

Content hashes

Canonical textf64f35fd0ef052cd943a619d7597e2987ca6ca18bc09a0ac996c206bf39ebeda
Markdownbd21dbba65184471070f5a62388ddc8c502a8a228697036515043a83ce2964c6
PDF
Publication page6e457058faa192d4282928e7b8d06763f0190c527110ab31a9efe5b2cb78640e
Manifest8387a9098906eebb4f01f2ebc1440994e05aa4e3d31e41d8a44b779b8d11bcf3

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
SignatureOjxVE+U4QSPDWw2kcgvRqO51Sh6gh6dZTe5KjePMaqxqDdxk4EwNvKCZdjNvWTqP2QgSsDWD7Pb+5S3/5gBfDg==
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

2026-10-05T04:41:15.040232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038533
observed 6e457058faa192d4282928e7b8d06763...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-05T04:41:14.993474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038533/manifest.json
observed 8387a9098906eebb4f01f2ebc1440994...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-05T04:41:14.932154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038533/publication.md
observed bd21dbba65184471070f5a62388ddc8c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-05T04:41:14.880187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038533/publication.txt
observed f64f35fd0ef052cd943a619d7597e298...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T04:41:52.959259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038533
observed 6e457058faa192d4282928e7b8d06763...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T04:41:52.886140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038533/manifest.json
observed 8387a9098906eebb4f01f2ebc1440994...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T04:41:52.799456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038533/publication.md
observed bd21dbba65184471070f5a62388ddc8c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T04:41:52.738470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038533/publication.txt
observed f64f35fd0ef052cd943a619d7597e298...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent