OT-2026-000014137
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off before set-down
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-2026-000014137) never changes.
Identity and time
| Publication number | OT-2026-000014137 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-b278-7283-8a3c-cf90790bf11c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:39.853300Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000014137 |
| Status | PUBLIC |
Content hashes
| Canonical text | c7f2e477044e72d8318d59bcaf56938f592f79aa8b3cbf14bd4a0fce8aa78f0e |
|---|---|
| Markdown | a78b0908f7cbeb75343d3bab9f1a1ea3e79ce55de6497447a41a437d283a73ed |
| Publication page | 3f2b9af6ce318c82619bbc1564af8fa40acfb14ff4fa85ba0d1067f29cafe710 |
| Manifest | 32900878075a706da3e686f7fd972f72b5c885201b3039b9e0dd3abecb75cd69 |
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 | wqWV9YU+67yQWQKxI91c3n4HDn7gA93iPWaxFzqDU6VwgkopT3Ec5+gApQlCdZfko2nc58t7Di4cNxhiFQCVDw== |
| 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
| 2026-10-01T00:41:48.418056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014137observed 3f2b9af6ce318c82619bbc1564af8fa4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T00:41:48.344844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014137/manifest.jsonobserved 32900878075a706da3e686f7fd972f72...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:48.282900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014137/publication.mdobserved a78b0908f7cbeb75343d3bab9f1a1ea3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:48.208978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014137/publication.txtobserved c7f2e477044e72d8318d59bcaf56938f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:41:22.675005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014137observed 3f2b9af6ce318c82619bbc1564af8fa4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:41:22.459965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014137/manifest.jsonobserved 32900878075a706da3e686f7fd972f72...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:41:22.314332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014137/publication.mdobserved a78b0908f7cbeb75343d3bab9f1a1ea3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:41:21.928530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014137/publication.txtobserved c7f2e477044e72d8318d59bcaf56938f...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 |
|---|