OpenTechnical

OT-2026-000079047

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000079047) never changes.

Identity and time

Publication numberOT-2026-000079047 · never reused
Internal UUID01a0ae95-ccbf-7a76-b20c-6fa80c108735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079047
StatusPUBLIC

Content hashes

Canonical text1c5a9faac3374904f64d0c7706246d98a0073407d647b8c61d957fdbe577f9a5
Markdown8bce14ac64d387f5fc57a9d2f8e2919bae3eff41cd6c83943fd9013b5e367c61
PDF
Publication pagea089b062859ad9df5b705de868249e0c634c1c93581a0c2182b123e6c262aa6d
Manifestde338c1a5f09f1f1e1ea54103cd91c3f0c83defcf7826b7a72b8b418220f8ecd

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
Signature7HABvRufGossK4TgKeBI0l9biPiiCp1/0V0lbfN4tZVLGgFC8aGZVjN6ViMBCl7lixiqIKcbYllCzjSmuoM1Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:53.304199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079047
observed a089b062859ad9df5b705de868249e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.284004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079047/manifest.json
observed de338c1a5f09f1f1e1ea54103cd91c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.265225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079047/publication.md
observed 8bce14ac64d387f5fc57a9d2f8e2919b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.242832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079047/publication.txt
observed 1c5a9faac3374904f64d0c7706246d98...
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.