OpenTechnical

OT-2026-000032820

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000032820) never changes.

Identity and time

Publication numberOT-2026-000032820 · never reused
Internal UUID01a0ae75-4842-745f-88ab-b53f7952322c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032820
StatusPUBLIC

Content hashes

Canonical text831b59429d4dc296bf0abc2c86ca3a7590a9ba78c648133611d5d442b5d623c8
Markdownc4ac58a810a6e391959b3c6aeda72fd79af708b9f5e19e9d50b8a1f44848eec4
PDF
Publication pagedea2291a15a582b09a6243be06c146a11b576510a63b0d33cc745a60f0dcd1e5
Manifest3eb70b751e3f34861e48f40ef884c4d507b530f12a54ae531eedeb436eb85aee

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
SignatureHf2IY0Bvmjrxcdtp07D2ayg9iHBxzix52fPewlrkHRz1En3zRR3zsVK9KvJsaAg2DacCEaRRxSV/owuBHdSLAg==
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

2026-09-17T11:32:16.470853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032820
observed dea2291a15a582b09a6243be06c146a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.452088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032820/manifest.json
observed 3eb70b751e3f34861e48f40ef884c4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.429146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032820/publication.md
observed c4ac58a810a6e391959b3c6aeda72fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.403993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032820/publication.txt
observed 831b59429d4dc296bf0abc2c86ca3a75...
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.