OT-2026-000042576
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000042576) never changes.
Identity and time
| Publication number | OT-2026-000042576 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-7bba-91a1-a935a0a4f5f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042576 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7cc5950196354d62da3b7e6369c75bcb653ee007f992371ee3bd9c24ba03c5ac |
|---|---|
| Markdown | ff3d527b2fced44e43da966a8c54f3fcd58f44b9025a323cce3ef67e1acfc08c |
| Publication page | 0fe7f58bfe55cebd35024e256ca7f7b69ef840a5028151e6c21b1d4ed90a7780 |
| Manifest | 8404f2cdc339ebeeab361414d03907abd1c4ad333957236b3b4a91f6e4dded42 |
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 | LI+DaJI+2LbMiBYbrcaotDwhaf4H6MTMVga3YCWI3bBz4fA7VmyE8fjh03yuK/sONmqphz1GToAMH2Fly0Q+BA== |
| 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
| 2026-10-26T12:41:48.451863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042576observed 0fe7f58bfe55cebd35024e256ca7f7b6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T12:41:48.402429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042576/manifest.jsonobserved 8404f2cdc339ebeeab361414d03907ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:48.351943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042576/publication.mdobserved ff3d527b2fced44e43da966a8c54f3fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:48.284980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042576/publication.txtobserved 7cc5950196354d62da3b7e6369c75bcb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:13.622501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042576observed 0fe7f58bfe55cebd35024e256ca7f7b6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:13.518191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042576/manifest.jsonobserved 8404f2cdc339ebeeab361414d03907ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:13.459785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042576/publication.mdobserved ff3d527b2fced44e43da966a8c54f3fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:13.370563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042576/publication.txtobserved 7cc5950196354d62da3b7e6369c75bcb...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 |
|---|