OT-2026-000011719
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, 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-2026-000011719) never changes.
Identity and time
| Publication number | OT-2026-000011719 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-7679-b101-c28b910d47d0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011719 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9e823836a60695ba99498473c9d5959e4a11facc08f8d438f7dd892c35f9352 |
|---|---|
| Markdown | 46e70daa78cbf18a3a7c7230aabfa2c166c16c48f7ee98090ddafba63ce4b1c3 |
| Publication page | 09552e6d84ab0dfead902ac267197254ce28cd706169f590ef9f67ffd42c13c7 |
| Manifest | 4468cfb491d736e840d01db1cc1b2ff91234b4593ccc22bdaa1c666e9e1a039f |
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 | I8tCUkFWEyNQBEzLYrMxGdr5uouGEx7ui8A6Kh4tUCBoWe1dWufS3UHj+E6zmXQ7M2/HcgV488hC69As1vW8AQ== |
| 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
| 2026-10-26T12:41:05.734462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011719observed 09552e6d84ab0dfead902ac267197254...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T12:41:05.675464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011719/manifest.jsonobserved 4468cfb491d736e840d01db1cc1b2ff9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:05.622418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011719/publication.mdobserved 46e70daa78cbf18a3a7c7230aabfa2c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:05.551866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011719/publication.txtobserved c9e823836a60695ba99498473c9d5959...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:21.107816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011719observed 09552e6d84ab0dfead902ac267197254...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:21.036045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011719/manifest.jsonobserved 4468cfb491d736e840d01db1cc1b2ff9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:20.978939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011719/publication.mdobserved 46e70daa78cbf18a3a7c7230aabfa2c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:20.900028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011719/publication.txtobserved c9e823836a60695ba99498473c9d5959...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 |
|---|