OpenTechnical

OT-2026-000019809

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000019809) never changes.

Identity and time

Publication numberOT-2026-000019809 · never reused
Internal UUID01a0ae6f-1fb5-7a93-9089-7555973cfb12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019809
StatusPUBLIC

Content hashes

Canonical text410e5c5893acf7bb3a1d2927101c79bdbf01f3c472c473254208d3bd534cafb3
Markdown393df404cd6af75576c21a17db50064830a44e4f123ad63c204e6598dc2d556f
PDF
Publication pagec69d39964247bc846d10c0b16f4eff5eb7b4c2c1baa2ccc7ad0ef013a0e8f1d9
Manifest0eaddbc9fe8a06882903f657746332966d53e7604b55a4f0e59c612c7997b0e2

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
SignaturentlRUtv49QoaGeweMVLuvJJuAEaZIahiu8PbcyomYwSRxlNSCWJCCPbf79fWkLy0Is22Bo4dwXXKb8YQaSfxAw==
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

2026-09-17T11:57:59.777138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019809
observed c69d39964247bc846d10c0b16f4eff5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:59.759832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019809/manifest.json
observed 0eaddbc9fe8a06882903f65774633296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:59.743030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019809/publication.md
observed 393df404cd6af75576c21a17db500648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:59.726215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019809/publication.txt
observed 410e5c5893acf7bb3a1d2927101c79bd...
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.