OpenTechnical

OT-2026-000039505

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000039505) never changes.

Identity and time

Publication numberOT-2026-000039505 · never reused
Internal UUID01a0ae78-d8d2-7f58-83a3-e2e9fa54d31c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039505
StatusPUBLIC

Content hashes

Canonical textb2e1f62170e05bc2d7501fb7988ea871323d7bbe97e81d795f8116553ca13926
Markdown7ec96ed785e5c722036c4ede1878a1edd2a445375c8ea6436409d83337d266dc
PDF
Publication page3d92712f9f06ce5e0bf228e9a641544165ca92f9b3f4a16c865e8ef9c5903e84
Manifestd5751a4341b0de599f0f56afe822947374d2153a3ad51179cd77d60f4c13fd36

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
SignatureCdqPIgvw4HdKT7B9MspthwlFMQv/usXkH1vn6lMcyC1qLu7cEoZ5KBub1y2vtzzxQuj9QW2kaCMJLolX6cW/Dg==
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

2026-09-17T11:19:33.065226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039505
observed 3d92712f9f06ce5e0bf228e9a6415441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.046942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039505/manifest.json
observed d5751a4341b0de599f0f56afe8229473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.028355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039505/publication.md
observed 7ec96ed785e5c722036c4ede1878a1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.944378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039505/publication.txt
observed b2e1f62170e05bc2d7501fb7988ea871...
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.