OT-2026-000069689
Publication integrity record
Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069689) never changes.
Identity and time
| Publication number | OT-2026-000069689 · never reused |
|---|---|
| Internal UUID | 01a0ae90-b52c-711b-a223-78bb4b50006e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:51:54.310022Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000069689 |
| Status | PUBLIC |
Content hashes
| Canonical text | d4aa460823f144ad3de71ed2bc0434bdf641a687a5131d3d8b74732a906687ef |
|---|---|
| Markdown | a006c5b4a0f4a6231ea0a0a8cba2882b2821e61e1a2c7f2585244a655d1dfb78 |
| Publication page | 761247aa99c333da4e94ee9890f98001d8fa21f5f74466ce300a1fb6b4b001d5 |
| Manifest | 03b4c4d3158ce6a395bec99b72ffd9fdddaedce3aa3b26691df0979476f3ae0e |
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 | 5H0ByfLQlsKw4e0Uy/0NyVq0EN9+5Gng/+ldMm3HZrg8wEA5fdopMmm4DaYYf1XBDyCtvCnKk+dqZIWVDJxfBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-11-05T08:42:06.141675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069689observed 761247aa99c333da4e94ee9890f98001...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
|---|---|
| 2026-11-05T08:42:06.089671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069689/manifest.jsonobserved 03b4c4d3158ce6a395bec99b72ffd9fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-11-05T08:42:06.030964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069689/publication.mdobserved a006c5b4a0f4a6231ea0a0a8cba2882b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-11-05T08:42:05.920213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069689/publication.txtobserved d4aa460823f144ad3de71ed2bc0434bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-09-26T12:41:27.149316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069689observed 761247aa99c333da4e94ee9890f98001...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:27.066449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069689/manifest.jsonobserved 03b4c4d3158ce6a395bec99b72ffd9fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:26.986814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069689/publication.mdobserved a006c5b4a0f4a6231ea0a0a8cba2882b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:26.900503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069689/publication.txtobserved d4aa460823f144ad3de71ed2bc0434bd...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 |
|---|