OpenTechnical

OT-2026-000018859

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000018859) never changes.

Identity and time

Publication numberOT-2026-000018859 · never reused
Internal UUID01a0ae6e-d521-7f65-860b-4b1bef2aa5f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018859
StatusPUBLIC

Content hashes

Canonical textbdb8ac4e0ec0d08114ead67b821e85495dff76b43d80a39165b1fc44d0ed0127
Markdown21b6b637361f294dac362de19c406511da3e5c0fce2a59528e7f405b144bf6c0
PDF
Publication page78519b087b54410dd185e3ec2003978e80217c8472c87f998b8ca79896139361
Manifest181b562a82909d1dfe8e5c697a234e013b8de88c800b2005c8b1d67995c81d73

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
SignatureEo6jPP4OyNLcTUL35p+O5TEmyCSqINsO7hUV7WJrtKBZkByb6YsozarbNSzhAry/alt0Det/XnGm7jyR1LV1Bw==
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

2026-09-17T11:59:30.156237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018859
observed 78519b087b54410dd185e3ec2003978e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.136425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018859/manifest.json
observed 181b562a82909d1dfe8e5c697a234e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.115606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018859/publication.md
observed 21b6b637361f294dac362de19c406511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.095865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018859/publication.txt
observed bdb8ac4e0ec0d08114ead67b821e8549...
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.