OpenTechnical

OT-2026-000069501

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000069501) never changes.

Identity and time

Publication numberOT-2026-000069501 · never reused
Internal UUID01a0ae90-b52b-7c25-925f-3d3ae89e43f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069501
StatusPUBLIC

Content hashes

Canonical text728a438285a721ed33e387973c65b9d1b104757639e30fc32ebd2c57776bf7b7
Markdownb896d52e9d1f6a81093129834b13f71d98659b73ab4e6f79b6e82f6e907e3eaf
PDF
Publication pagecdd6b92a9173cfc59d605631eb01f75fd036fe4e6fdf1782b880e614b0dd74c9
Manifestb8dd35520fae6e7895bbd04551323b516ad58a21f338347fcf7d59dd8a899f68

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
SignaturetFYQ1WL5VmR1AwObnFZIuMnUHQ9TEZixRhlopYr1lDoid+nLw6hbN0KJKje47K4LsDszks9E/IfegebYIfYBCw==
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

2026-09-17T10:30:35.097403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069501
observed cdd6b92a9173cfc59d605631eb01f75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.079068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069501/manifest.json
observed b8dd35520fae6e7895bbd04551323b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.058964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069501/publication.md
observed b896d52e9d1f6a81093129834b13f71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.042882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069501/publication.txt
observed 728a438285a721ed33e387973c65b9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.999086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069501
observed cdd6b92a9173cfc59d605631eb01f75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.981964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069501/manifest.json
observed b8dd35520fae6e7895bbd04551323b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.962391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069501/publication.md
observed b896d52e9d1f6a81093129834b13f71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.943042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069501/publication.txt
observed 728a438285a721ed33e387973c65b9d1...
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.