OT-2026-000042273
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000042273) never changes.
Identity and time
| Publication number | OT-2026-000042273 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d73-756a-897f-c0ed8039eefc · 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-2026-000042273 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6d66e2f8973d3832e4e6aadce6f837ddb0bea39ad246c7048e0ab9f1fa9d500c |
|---|---|
| Markdown | 869c5db2bc142eb44dbb04269b3d441d30fd7dd12abe502dad60ebe68754f204 |
| Publication page | c43217a086ae698ebcd8b6f887fde431c4d8511e4f5889993af221f6fb93f2d1 |
| Manifest | e352f621f977a1c0fc665a1b6e4d4580fa5860feb2320f178f6941ecd87f0d2c |
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 | f833OU++XoF+XVwkYITg24eAH6cZ/e6leOQx4K0RvSL1rIF1J4XVVa4qhSnEmxQOdPxDnSjaL4XehEfl/1GuAA== |
| 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
| 2026-10-12T12:41:06.087910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042273observed c43217a086ae698ebcd8b6f887fde431...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T12:41:05.991542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042273/manifest.jsonobserved e352f621f977a1c0fc665a1b6e4d4580...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T12:41:05.894485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042273/publication.mdobserved 869c5db2bc142eb44dbb04269b3d441d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T12:41:05.783974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042273/publication.txtobserved 6d66e2f8973d3832e4e6aadce6f837dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:42:02.135800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042273observed c43217a086ae698ebcd8b6f887fde431...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:42:01.980091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042273/manifest.jsonobserved e352f621f977a1c0fc665a1b6e4d4580...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:42:01.860157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042273/publication.mdobserved 869c5db2bc142eb44dbb04269b3d441d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:42:01.753957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042273/publication.txtobserved 6d66e2f8973d3832e4e6aadce6f837dd...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 |
|---|