OpenTechnical

OT-2026-000051131

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000051131) never changes.

Identity and time

Publication numberOT-2026-000051131 · never reused
Internal UUID01a0ae82-c7b6-776c-9da5-a054dd667fe2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051131
StatusPUBLIC

Content hashes

Canonical text3b1a96bd9131657fe19e1e4d45a27319315e066fe1be866859b87e2b492830b4
Markdownef6b6d6aaa15f4d0a9fe3ef2b0739e80ebc22fc25bd864e917b4cf8d27dcff29
PDF
Publication pagefaa9a83a948731d830b47506648bdb07a70a33ff277b093d0ad1d94fbb569852
Manifesta6db8494a4405860b2faf66a2ff3dc1000c52f5a2b36da917c6dbca3e7ebed92

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
SignatureuJAzcuwWyN+ykj2l/YLnqawOJ0xSQ9VqE3JaIdLAeP4QHQjqsx3MVxlkJYrADK5zSDHX/04BzyPe+fciPsaLCw==
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

2026-09-17T11:01:05.208807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051131
observed faa9a83a948731d830b47506648bdb07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:05.190509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051131/manifest.json
observed a6db8494a4405860b2faf66a2ff3dc10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:05.171342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051131/publication.md
observed ef6b6d6aaa15f4d0a9fe3ef2b0739e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:05.153411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051131/publication.txt
observed 3b1a96bd9131657fe19e1e4d45a27319...
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.