OT-2026-000042017
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000042017) never changes.
Identity and time
| Publication number | OT-2026-000042017 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d70-7308-aec1-523dbee1bd16 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042017 |
| Status | PUBLIC |
Content hashes
| Canonical text | e43c0d3c1a5d7c0cdf7f2abb23eb162bb43232a9b215d5ac526dc552e2e9fefa |
|---|---|
| Markdown | dbb8b7801460def676dbf63516ba5b8e57916efea61216409354f0fe038e5a0c |
| Publication page | 4edbfa0272f404ac5b33aa4b6eba3c9a133533ac26fab9018fac9caab18259a1 |
| Manifest | ae7f3dccfc168f19fbcb309416f50c31df91940fb4555b712498060209109054 |
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 | Gd8BYooCqdDeJycaV7ELsR8RbrebZC6mwzxFgPES4CKiciepHSVgFYqF+1YNxH3VJoOoZVxWNyGSN0K+0t0dDA== |
| 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
| 2026-10-31T04:41:02.847210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042017observed 4edbfa0272f404ac5b33aa4b6eba3c9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T04:41:02.792913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042017/manifest.jsonobserved ae7f3dccfc168f19fbcb309416f50c31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:02.650262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042017/publication.mdobserved dbb8b7801460def676dbf63516ba5b8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:02.470587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042017/publication.txtobserved e43c0d3c1a5d7c0cdf7f2abb23eb162b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:20.034774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042017observed 4edbfa0272f404ac5b33aa4b6eba3c9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:19.983262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042017/manifest.jsonobserved ae7f3dccfc168f19fbcb309416f50c31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:19.890708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042017/publication.mdobserved dbb8b7801460def676dbf63516ba5b8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:19.766622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042017/publication.txtobserved e43c0d3c1a5d7c0cdf7f2abb23eb162b...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 |
|---|