OT-2026-000043456
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000043456) never changes.
Identity and time
| Publication number | OT-2026-000043456 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-92ce-7e70-bc07-2b9c4ccde66d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:49.254972Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043456 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c89bd9ea5d00ea0b05560622cce47d984be84bd1be6e89cb10a30cff4ae0e57 |
|---|---|
| Markdown | df3abd2f5312abf2ba05991e5c27208a4d66a9ec5c76271a5658de6e2722c003 |
| Publication page | d4cb3e3c22d818b8c89452213e36c4c4aed390466e5ad10cd6e0aef553389ef3 |
| Manifest | a8bc26d784f1b1ab4656351535f2828401b2937aa9e7f1b07bf1765d3b44e7c7 |
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 | Bsu20jgCQBq6VGhEscpj9fe7eFeR7IX9pcK4f4uVSPD8d02P/Jg5E1oaYzTmOYZwEBYzshlB47/SBNMYjWuTCw== |
| 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
| 2026-10-12T08:41:53.320448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043456observed d4cb3e3c22d818b8c89452213e36c4c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T08:41:53.233222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043456/manifest.jsonobserved a8bc26d784f1b1ab4656351535f28284...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:53.139700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043456/publication.mdobserved df3abd2f5312abf2ba05991e5c27208a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:53.028570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043456/publication.txtobserved 7c89bd9ea5d00ea0b05560622cce47d9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:41:36.162270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043456observed d4cb3e3c22d818b8c89452213e36c4c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:41:36.093168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043456/manifest.jsonobserved a8bc26d784f1b1ab4656351535f28284...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:41:36.001683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043456/publication.mdobserved df3abd2f5312abf2ba05991e5c27208a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:41:35.862015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043456/publication.txtobserved 7c89bd9ea5d00ea0b05560622cce47d9...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 |
|---|