OpenTechnical

OT-2026-000032616

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000032616) never changes.

Identity and time

Publication numberOT-2026-000032616 · never reused
Internal UUID01a0ae75-1070-7e91-9d78-02a61a686bbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032616
StatusPUBLIC

Content hashes

Canonical textc228e79f95fd1c3decb1160e6784915f1b8c5ce1828a4e955f2770c13b2507cf
Markdownf3140d481190e145eb4fd4276b2bb1112d181291493828c579e5681e5944cd52
PDF
Publication page2722d5c41cd4fe46d14653e85a8e78895fffc4dbf322750e766fb586a68fd033
Manifest3c501a189693cbd4bd549fb857b598dc2210bc0e54a0027c0472b3da69e9ba11

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
SignatureX0dZUyaj+PwX4JyfKO+HFUY3r9Jqe5qghJxhL7DulFFPe6Sf3Bsmkyfq5C6QJ1RmcatI1A9Gp8MDhebqxl/EBw==
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

2026-09-17T11:34:12.066677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032616
observed 2722d5c41cd4fe46d14653e85a8e7889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.048186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032616/manifest.json
observed 3c501a189693cbd4bd549fb857b598dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.029050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032616/publication.md
observed f3140d481190e145eb4fd4276b2bb111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.009845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032616/publication.txt
observed c228e79f95fd1c3decb1160e6784915f...
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.