OT-2026-000057272
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000057272) never changes.
Identity and time
| Publication number | OT-2026-000057272 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5bb-75ce-a8e1-e09000bdf1e3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057272 |
| Status | PUBLIC |
Content hashes
| Canonical text | 013c6b8242271cf6d1e712c6b1047d67e14202c27f6058e56ef0cb555fc511b7 |
|---|---|
| Markdown | 6dfef882fdf72cf41b678a83c428a098f77f29c924713db0e469ea3a97b57499 |
| Publication page | 4c03e85b338979a59b8249f2fd9186e7dd569765da3071017057b25bafcde2a2 |
| Manifest | 8b23e8f5e5aa1156cefd277d85b9617f756d595273e236df0e90673400189de8 |
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 | fl8+OK7fyV9ncAk/PX91ylcD2TzyugCgzHYrPfLjXl5kPWxjHlI37KMd3EHzNzP1YOh7pQguVktral7Gk6baBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-12T04:42:23.915286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057272observed 4c03e85b338979a59b8249f2fd9186e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T04:42:23.779770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057272/manifest.jsonobserved 8b23e8f5e5aa1156cefd277d85b9617f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:42:23.669033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057272/publication.mdobserved 6dfef882fdf72cf41b678a83c428a098...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:42:23.537719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057272/publication.txtobserved 013c6b8242271cf6d1e712c6b1047d67...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:49.503850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057272observed 4c03e85b338979a59b8249f2fd9186e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:49.454254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057272/manifest.jsonobserved 8b23e8f5e5aa1156cefd277d85b9617f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:49.384823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057272/publication.mdobserved 6dfef882fdf72cf41b678a83c428a098...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:49.317806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057272/publication.txtobserved 013c6b8242271cf6d1e712c6b1047d67...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 |
|---|