OT-2026-000028057
Publication integrity record
Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000028057) never changes.
Identity and time
| Publication number | OT-2026-000028057 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7e33-9108-de8e032506cb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028057 |
| Status | PUBLIC |
Content hashes
| Canonical text | b7d82cf779ddc2ccc3e8ba7503a912eb98942041864eb5d38f25f29302c20406 |
|---|---|
| Markdown | f81850b155072af84f1c8fd1a0c86ac02d5507b8be01d7be29b6f47c6282782e |
| Publication page | ed9fc738af5d8bda4bc840a50aa58be4c8bfa1d4baa3641859e61b001c514b9f |
| Manifest | 552b5a27eba8513d941934850ee15348c4d586603d7d45fc27e1a0aae96c0d7f |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | ZnisZg5L6mhF2dCJ54YNaqjIdzVLMrIBN9566hm6s84l9X+xC1R83lqAqQgz/+RgvTq5ZvbAgKk5KyfSo05dAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:42:23.444842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028057observed ed9fc738af5d8bda4bc840a50aa58be4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:23.426545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028057/manifest.jsonobserved 552b5a27eba8513d941934850ee15348...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:23.408542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028057/publication.mdobserved f81850b155072af84f1c8fd1a0c86ac0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:23.392005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028057/publication.txtobserved b7d82cf779ddc2ccc3e8ba7503a912eb...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 archive | Pending 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 package | Pending Custody packages are produced weekly. |
|---|