OT-2026-000031029
Publication integrity record
Two cup vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000031029) never changes.
Identity and time
| Publication number | OT-2026-000031029 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7233-9640-a7c2cc7794e3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031029 |
| Status | PUBLIC |
Content hashes
| Canonical text | 99bebc15725a09ca230262e025bd4721e3dd73b5d48d9e5912f809f71b7eb377 |
|---|---|
| Markdown | 1602d9a78560f9fbd4e5b338f280c521006fd2bbb082c31a1d8c1944096d48ef |
| Publication page | 753960f9d8347b07476b60ca826ba822ecb492eb3cda4fd8e96411a1e18d63a2 |
| Manifest | 2b1a5b9212db81748ae757c49856d1bccac959a73c7555aac6609d1539875609 |
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 | UJGLHV61zS54zSwI9/uiyPkHH6X8utZfV4vJmvJk2GnD50eUHeYy7R4d0W99lQnkFls44l0QYXJGE8V9ZBfkBQ== |
| 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
| 2026-10-29T12:41:44.865394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031029observed 753960f9d8347b07476b60ca826ba822...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T12:41:44.805130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031029/manifest.jsonobserved 2b1a5b9212db81748ae757c49856d1bc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:44.743400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031029/publication.mdobserved 1602d9a78560f9fbd4e5b338f280c521...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:44.687652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031029/publication.txtobserved 99bebc15725a09ca230262e025bd4721...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:38.247919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031029observed 753960f9d8347b07476b60ca826ba822...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:38.175452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031029/manifest.jsonobserved 2b1a5b9212db81748ae757c49856d1bc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:38.068613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031029/publication.mdobserved 1602d9a78560f9fbd4e5b338f280c521...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:37.976419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031029/publication.txtobserved 99bebc15725a09ca230262e025bd4721...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 |
|---|