OpenTechnical

OT-2026-000040032

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000040032) never changes.

Identity and time

Publication numberOT-2026-000040032 · never reused
Internal UUID01a0ae79-26fc-7fa6-9a2e-9a51a2f16647 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040032
StatusPUBLIC

Content hashes

Canonical text77340323b882384edab30c2f5af51b2a59fb9bbd3d6d4de24b01ccad39135d7a
Markdown3a713e6e36ff5aa916ae25fbf44efdb27072ddd4449e6920501e79a7bc065d00
PDF
Publication pageac88b9ea84746ad63f0b985db9712cb1a5816f34ad650735318b8da49bac6c71
Manifeste93fb3580d216f18ba05d9de6a4c69626cc646af96c2f4b7e04cc367395183e4

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
SignatureXC6kXF+up8u/45/Hr7J0tMrnVp4La0dzPa+/40vFzVGkoas+wYCfTNV2E3yhSJNtBskSOk3UwVYrYjnbv9MHCw==
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

2026-09-17T11:20:34.068852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040032
observed ac88b9ea84746ad63f0b985db9712cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:34.041785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040032/manifest.json
observed e93fb3580d216f18ba05d9de6a4c6962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:34.021560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040032/publication.md
observed 3a713e6e36ff5aa916ae25fbf44efdb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:34.002491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040032/publication.txt
observed 77340323b882384edab30c2f5af51b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:52.017570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040032
observed ac88b9ea84746ad63f0b985db9712cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.999566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040032/manifest.json
observed e93fb3580d216f18ba05d9de6a4c6962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.982368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040032/publication.md
observed 3a713e6e36ff5aa916ae25fbf44efdb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.965732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040032/publication.txt
observed 77340323b882384edab30c2f5af51b2a...
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.