OpenTechnical

OT-2026-000033925

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000033925) never changes.

Identity and time

Publication numberOT-2026-000033925 · never reused
Internal UUID01a0ae75-a392-70d1-813f-29cc2d0d0e36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033925
StatusPUBLIC

Content hashes

Canonical text09654e12ab150ae7a79e637de3102f04e33d3030f44dd64501acffe219ef0c9f
Markdown329f59f8dc68e61386b912f7a979d2087b9e1387229f3e36b5b0114fc498ebc6
PDF
Publication pagea26cd9c5943d12f8197cb905ef284db247a26105fd38aeeeef95887c30900f32
Manifestc6d415eab485b36d0e2d4ee9c59906e0b0f774cca55ddba8433bde3ff70328a3

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
SignatureP5gzLXfKBA258bcSnPouDZuz7WcPMUOuzBXsYDzLZigmqmvLJmAuBEBcIODxQmrjkNWb9+9VoznCngnUHakmCw==
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

2026-09-17T12:43:11.597349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033925
observed a26cd9c5943d12f8197cb905ef284db2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:11.282999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033925/manifest.json
observed c6d415eab485b36d0e2d4ee9c59906e0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:10.790823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033925/publication.md
observed 329f59f8dc68e61386b912f7a979d208...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:10.439185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033925/publication.txt
observed 09654e12ab150ae7a79e637de3102f04...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.566350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033925
observed a26cd9c5943d12f8197cb905ef284db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.549621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033925/manifest.json
observed c6d415eab485b36d0e2d4ee9c59906e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.530331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033925/publication.md
observed 329f59f8dc68e61386b912f7a979d208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.512638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033925/publication.txt
observed 09654e12ab150ae7a79e637de3102f04...
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.