OpenTechnical

OT-2026-000045940

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000045940) never changes.

Identity and time

Publication numberOT-2026-000045940 · never reused
Internal UUID01a0ae7d-8f89-71a4-830e-c8560d5d1caa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045940
StatusPUBLIC

Content hashes

Canonical text1d9f39802c10cf673964813a234f8cdc645610934133cb7604c57c3b94e2d3b7
Markdowna6145ad06c2fed299b4f3d8a3652acdc2f200238a5429f1de43bd24a35410341
PDF
Publication page8416719e6aece3d4c50ea7a8926223907a8ca610a35ce61e2d9498d15ad89931
Manifest9dbc5eb350aa9ec8523abf9a083e7cd6bbd293facbf5c6e32a0f4a2da8383cff

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
SignatureqdU+I6tMVf4vL2Jwvq+BxM5hkij3MTlJNZ0xKBPFogisMWRs5dmFDFVLJzYM2nyxDRuQrb8SZDA8iWVisdG4Dg==
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

2026-09-17T11:09:51.062664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045940
observed 8416719e6aece3d4c50ea7a892622390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.045559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045940/manifest.json
observed 9dbc5eb350aa9ec8523abf9a083e7cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.025452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045940/publication.md
observed a6145ad06c2fed299b4f3d8a3652acdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.003460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045940/publication.txt
observed 1d9f39802c10cf673964813a234f8cdc...
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.