OpenTechnical

OT-2026-000047752

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000047752) never changes.

Identity and time

Publication numberOT-2026-000047752 · never reused
Internal UUID01a0ae7f-c420-738b-a549-1d83519f1dd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047752
StatusPUBLIC

Content hashes

Canonical text91303fabd2d27d09c002a65375d7871dbacd5706d2c14b1dc22667c4af5c9bca
Markdown0ffe0235a7899ae4cd49a1b1a8932632359d28aef1cfe3301fdf5b02336144e5
PDF
Publication page66ee777d58dc28e766b49b75b28a9fb3d6fbf92ae2d4ace792c811f56eda868c
Manifest245dfd41e6e16b3ce319df8e6981947100b3a3313e25687cd46b1accf9b9f927

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
SignatureXMlnXgAD5K1v+C1eqL33xj6XyAS5688GqnGG1UpKhLSYCghTmWP6hhJW6gsFRHDYvvQERyXg8Cx+xFF7TctpBw==
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

2026-09-17T11:05:38.077730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047752
observed 66ee777d58dc28e766b49b75b28a9fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.058407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047752/manifest.json
observed 245dfd41e6e16b3ce319df8e69819471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.040462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047752/publication.md
observed 0ffe0235a7899ae4cd49a1b1a8932632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.021199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047752/publication.txt
observed 91303fabd2d27d09c002a65375d7871d...
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.