OT-2026-000049421
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000049421) never changes.
Identity and time
| Publication number | OT-2026-000049421 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8f7b-7648-8938-9c41217c13c2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049421 |
| Status | PUBLIC |
Content hashes
| Canonical text | 34919fc57ccf0b7129ce307a8eb81e2dd7ffbff5a8ec5be3f39e202864edeb8a |
|---|---|
| Markdown | 47d61813c2a5ef707ce391ea305fbca9fab0338cea68e649d111452b31b87093 |
| Publication page | 7540625fc2197e9ef5131e864d50c6a80872de63747ed6514a9430e89a380289 |
| Manifest | ecc4fb9c7f3de68e51a5e45f37d087bee9a2b98198aec5b4bffdd4a33cf7571d |
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 | QJ9PVbf4e5ui0yr+8KKI50ivQHVqW+5Xz9hK5TdjKRkzJXtPmlY5TeuAmblEWW+amcrKwdTM6yQrLb+ZUGkEDw== |
| 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
| 2026-09-17T11:02:14.742956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049421observed 7540625fc2197e9ef5131e864d50c6a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:14.724774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049421/manifest.jsonobserved ecc4fb9c7f3de68e51a5e45f37d087be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:14.706647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049421/publication.mdobserved 47d61813c2a5ef707ce391ea305fbca9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:14.687138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049421/publication.txtobserved 34919fc57ccf0b7129ce307a8eb81e2d...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. |
|---|