OT-2026-000006218
Publication integrity record
Vacuum cup gripper, per zone isolation, plant vacuum fed, vented before set down, polyurethane cups
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-2026-000006218) never changes.
Identity and time
| Publication number | OT-2026-000006218 · never reused |
|---|---|
| Internal UUID | 01a0a953-5153-739c-97a3-9596a7d9699b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:26:44.949765Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006218 |
| Status | PUBLIC |
Content hashes
| Canonical text | f17bf6c78e2dcd18e41ef7616397d15af178be20d520bd17f5217ab3e9267e75 |
|---|---|
| Markdown | 67476edc01cac0c8f3554ce233296a4bb099621b70d4f1ad2150f0f6dc7ee864 |
| Publication page | 3aded8d166c79db3598ecdd39fd3ff1075d7f4265041eb4a2ea86b5b0f041c70 |
| Manifest | d505e9daaa35af8fa070097b4d825f6d10d6f2a3684dafd69291b7fd487ababd |
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 | Y53Nrm1lnwhv6ybC9tojopYkj6R/jkX8a08EEt7g2s355iIw4+NBeyt6mYTW3JsaV+lpj9+ThDONtuBq28s+DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-10-15T16:42:00.339019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006218observed 3aded8d166c79db3598ecdd39fd3ff10...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T16:42:00.263490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006218/manifest.jsonobserved d505e9daaa35af8fa070097b4d825f6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:00.173752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006218/publication.mdobserved 67476edc01cac0c8f3554ce233296a4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:00.033151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006218/publication.txtobserved f17bf6c78e2dcd18e41ef7616397d15a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:42:20.732434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006218observed 3aded8d166c79db3598ecdd39fd3ff10...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:42:20.625335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006218/manifest.jsonobserved d505e9daaa35af8fa070097b4d825f6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:42:20.516406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006218/publication.mdobserved 67476edc01cac0c8f3554ce233296a4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:42:20.338386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006218/publication.txtobserved f17bf6c78e2dcd18e41ef7616397d15a...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|