OT-2026-000021521
Publication integrity record
Two cup vacuum gripper, two 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-2026-000021521) never changes.
Identity and time
| Publication number | OT-2026-000021521 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-76ec-86c7-849400af6446 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1fb75acec2018e62302ed61108baa9b0365ece433cada2354c880d25bbddc913 |
|---|---|
| Markdown | 888f510e9ab1227ae9e7af5ff9cf95e2666c32e755b97b14108f3c05eaae57c0 |
| Publication page | f56c76efb9ae0ba500f930fbea74aa249850d8dfd8e90a5157f94298f96101a5 |
| Manifest | 8222157a45493037ba68a313a8a03b426946316bd7b391a5be7e280c0624d7da |
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 | DMpknc1TD/Eb3VX/ymPjQAPbJMVmDtZIJLNocyU4wSeRny3OUqbbzc2G8pp9Tbrmyl0Aq7C3FWUwzbVS/NBOBw== |
| 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
| 2026-09-17T11:55:26.377419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021521observed f56c76efb9ae0ba500f930fbea74aa24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:26.359164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021521/manifest.jsonobserved 8222157a45493037ba68a313a8a03b42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:26.338813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021521/publication.mdobserved 888f510e9ab1227ae9e7af5ff9cf95e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:26.321029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021521/publication.txtobserved 1fb75acec2018e62302ed61108baa9b0...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. |
|---|