OT-2026-000014423
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000014423) never changes.
Identity and time
| Publication number | OT-2026-000014423 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-b27a-7f00-a24c-ab7578946d50 · 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-2026-000014423 |
| Status | PUBLIC |
Content hashes
| Canonical text | 18d16f1f7b6bd5c96447763ec0a07aeb13cdcdba0242202ac2e1084db81f989b |
|---|---|
| Markdown | 68552ead1a0deaf4b75dd39ffac5a45ec5d4a6c3e4806adab017eca87d4202f7 |
| Publication page | cc8b838ed795af9225f7c56886882db6aa10ea7d30d17094d22b2944e51a5c75 |
| Manifest | 58b7e2afcbf2e6cf602e3182dd1c6c300a8d7a433c63bde15830f62a2e1923d1 |
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 | NDwANmrDRuVq3l7jFzMqVrihyH4QS2R31sJ3hCvOW31kFNThubqBMsyK4in79Z1Pa6rDWVKU/8JSbRB7LqCKBw== |
| 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
| 2026-10-02T12:41:40.421177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014423observed cc8b838ed795af9225f7c56886882db6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T12:41:40.335599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014423/manifest.jsonobserved 58b7e2afcbf2e6cf602e3182dd1c6c30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:40.248734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014423/publication.mdobserved 68552ead1a0deaf4b75dd39ffac5a45e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:40.133016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014423/publication.txtobserved 18d16f1f7b6bd5c96447763ec0a07aeb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:17.281644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014423observed cc8b838ed795af9225f7c56886882db6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:17.229019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014423/manifest.jsonobserved 58b7e2afcbf2e6cf602e3182dd1c6c30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:17.174838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014423/publication.mdobserved 68552ead1a0deaf4b75dd39ffac5a45e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:17.115933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014423/publication.txtobserved 18d16f1f7b6bd5c96447763ec0a07aeb...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 |
|---|