OT-2026-000042283
Publication integrity record
Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000042283) never changes.
Identity and time
| Publication number | OT-2026-000042283 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d73-7bc2-b00f-5531be95622f · 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-2026-000042283 |
| Status | PUBLIC |
Content hashes
| Canonical text | fcdf5c877d27c9f8463c6fb51440d67e3bb1ccd51b33620294f5a1f576616a64 |
|---|---|
| Markdown | d4377d8b799e545a5f2456e9496a025bff7b4d048382ad0665b3aa7325424812 |
| Publication page | 1acf669aacad73024e46f9c5ee8a1b97bde7d6cb4833480d61c9e0bdc7c20c89 |
| Manifest | b3fdc7fc569494b984557ce7ab760d185450716871c0f68cf8a0aa7a086b02db |
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 | RvWSrvsBVWkF8sf+Ags5ZGJpREQRxeDzwhn56So8KTVBLKaUAnI+AO+svEzRUVWmCqim9GvzddBH3/Be4mi2CA== |
| 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
| 2026-11-03T04:41:09.531478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042283observed 1acf669aacad73024e46f9c5ee8a1b97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:41:09.418401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042283/manifest.jsonobserved b3fdc7fc569494b984557ce7ab760d18...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:09.330029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042283/publication.mdobserved d4377d8b799e545a5f2456e9496a025b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:09.246474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042283/publication.txtobserved fcdf5c877d27c9f8463c6fb51440d67e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:25.232166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042283observed 1acf669aacad73024e46f9c5ee8a1b97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:24.957637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042283/manifest.jsonobserved b3fdc7fc569494b984557ce7ab760d18...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:24.620517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042283/publication.mdobserved d4377d8b799e545a5f2456e9496a025b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:24.144169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042283/publication.txtobserved fcdf5c877d27c9f8463c6fb51440d67e...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 |
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