OT-2026-000027420
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000027420) never changes.
Identity and time
| Publication number | OT-2026-000027420 · never reused |
|---|---|
| Internal UUID | 01a0ae72-6998-7e07-af3e-7989e757f435 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027420 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5ce28cdfdab44f81f90088f08d4f754b8f4597977fe22aacf220c41ec55cb649 |
|---|---|
| Markdown | 7698607a340cfa108e52b79fc924d76d7a8e7139948854b222471e391a29a6c4 |
| Publication page | b5a8bf8cba716ac2fbed260a5934e6a92c86d8d6ea92aac39e7ad481235c5c56 |
| Manifest | 368ae73f8269b3232d01321e03ef29c6afa30f5e0d3e2931187a1adff5b6654f |
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 | 5Mk17cq8vvFSVEL8jkboYcR0ZzDEWx3uCjS/mtQKRd04rMAQyAPK7rK47Mo7a5X3qP0GsGiJo4wXxaDWZDPPAw== |
| 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
| 2026-09-17T12:41:51.488623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027420observed b5a8bf8cba716ac2fbed260a5934e6a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:41:51.162307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027420/manifest.jsonobserved 368ae73f8269b3232d01321e03ef29c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:50.925780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027420/publication.mdobserved 7698607a340cfa108e52b79fc924d76d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:50.615887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027420/publication.txtobserved 5ce28cdfdab44f81f90088f08d4f754b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:50.968676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027420observed b5a8bf8cba716ac2fbed260a5934e6a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:50.947465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027420/manifest.jsonobserved 368ae73f8269b3232d01321e03ef29c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:50.928667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027420/publication.mdobserved 7698607a340cfa108e52b79fc924d76d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:50.908486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027420/publication.txtobserved 5ce28cdfdab44f81f90088f08d4f754b...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. |
|---|