OT-2026-000044904
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000044904) never changes.
Identity and time
| Publication number | OT-2026-000044904 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-911c-75e1-b810-c8647295630d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:54.474009Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044904 |
| Status | PUBLIC |
Content hashes
| Canonical text | cb9c633ae2aa9b2b2202ca073d3d5c1b840b98452d69e95c8e51e3d55dc11dc5 |
|---|---|
| Markdown | 0c77101371fce102b52a41d706a7c1905e9a852670c9979b13f4a41461314e6f |
| Publication page | 4196635b108907d7fb9bf8732f74bbbaea8ba5c61ed1df48ed578ec5eff2f300 |
| Manifest | 3b3164f76e5ed7631fa1aa67411952b31e768ae5a0f8e995a9cce36b9d175ba6 |
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 | lpKa6exXy4K1hMvlJucnCi2JtElCe6nxrUdo0S1neu8a1+D0sL9cmt9UtIGXW330GchVyPAMQ7ljFJCDteoODA== |
| 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
| 2026-10-14T00:42:03.454716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044904observed 4196635b108907d7fb9bf8732f74bbba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T00:42:03.403758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044904/manifest.jsonobserved 3b3164f76e5ed7631fa1aa67411952b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:42:03.342557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044904/publication.mdobserved 0c77101371fce102b52a41d706a7c190...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:42:03.264148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044904/publication.txtobserved cb9c633ae2aa9b2b2202ca073d3d5c1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T08:42:05.740498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044904observed 4196635b108907d7fb9bf8732f74bbba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T08:42:05.652759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044904/manifest.jsonobserved 3b3164f76e5ed7631fa1aa67411952b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T08:42:05.573901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044904/publication.mdobserved 0c77101371fce102b52a41d706a7c190...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T08:42:05.480470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044904/publication.txtobserved cb9c633ae2aa9b2b2202ca073d3d5c1b...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 |
|---|