OpenTechnical

OT-2026-000047095

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump 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-2026-000047095) never changes.

Identity and time

Publication numberOT-2026-000047095 · never reused
Internal UUID01a0ae7e-d0f8-76e8-a124-c5ac2549b505 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047095
StatusPUBLIC

Content hashes

Canonical text18d700521a1bce644f7772ee776816d08c9272cd8e9fe16f7334eaf5b597df4e
Markdown4a01e603613ede91df8ca2f04b9d9f93a0b42051fedb7edd2a5f23781016333d
PDF
Publication page9df20c753882f6eb2333488abbd7f297fee2e26c587b7642f39a1210c0bb2194
Manifestfb05af7e231a4f63169d9c3b31c3e4ff7caacd54a8e15de4b5f7209e966a370a

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
Signature/1p8V3asJ1zs6Hgw19V2JHoMUCyYON+WO0EgdupupI+/waptQjb4AK/gh3RNaU27WK6jGq9q5xdqcPIVdB1OAQ==
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

2026-09-17T11:10:24.866584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047095
observed 9df20c753882f6eb2333488abbd7f297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.849905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047095/manifest.json
observed fb05af7e231a4f63169d9c3b31c3e4ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.831706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047095/publication.md
observed 4a01e603613ede91df8ca2f04b9d9f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.811140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047095/publication.txt
observed 18d700521a1bce644f7772ee776816d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:53.012891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047095
observed 9df20c753882f6eb2333488abbd7f297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.994407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047095/manifest.json
observed fb05af7e231a4f63169d9c3b31c3e4ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.973936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047095/publication.md
observed 4a01e603613ede91df8ca2f04b9d9f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.953972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047095/publication.txt
observed 18d700521a1bce644f7772ee776816d0...
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.