OT-2026-000028979
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000028979) never changes.
Identity and time
| Publication number | OT-2026-000028979 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7565-a029-2606e8b3891c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028979 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ec557aa1696cc09ad4235abc0ded882e6751b3b5eb53f3eae26126ab6cf64ea |
|---|---|
| Markdown | 6c65f76992ecf0756d9ff90af1171de3d600b284323a997ff2ecc8283b17353b |
| Publication page | 133ed772f3951f14f2e669328928b054c78de4a56f76ca4cfe6c0ff6ad6fec58 |
| Manifest | 1066390a3dea1ec098de15df19ce99540c1d20024352f73d24e73c320a653c99 |
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 | qfK+KmohyaBKOlHSb17gNcU3X/HmHC/dJ8osZx4i2p5qNxfGCSD0CoWq23gORxLaCatQjY6uk+o7ItqNURKRDA== |
| 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
| 2026-09-17T08:20:30.265343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028979observed 133ed772f3951f14f2e669328928b054...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:30.246021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028979/manifest.jsonobserved 1066390a3dea1ec098de15df19ce9954...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:30.224844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028979/publication.mdobserved 6c65f76992ecf0756d9ff90af1171de3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:30.206371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028979/publication.txtobserved 1ec557aa1696cc09ad4235abc0ded882...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. |
|---|