OT-2026-000023256
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000023256) never changes.
Identity and time
| Publication number | OT-2026-000023256 · never reused |
|---|---|
| Internal UUID | 01a0ae70-7267-780a-b141-980307aad48b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:40.056870Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023256 |
| Status | PUBLIC |
Content hashes
| Canonical text | 245fc2b67655c3b1bebc432357de4b5fea95ed74d1fa474d7bc042089cac216e |
|---|---|
| Markdown | 414b166958daa5787f09c6abf2b54d773f95b6194f1f60034edc50b9a2adf88c |
| Publication page | c5680cc033053e43c4ade96de368bdaa35e6ea3ad03b1c00fdb4539f5bf3908a |
| Manifest | 806d3eca2fd01c04ff0ddf19dae060ce5eb840406ef6c6d3c613d59e59a0f62a |
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 | UjKK6EjpXCPhFna4nzrFNs/5ZpNNL3PLrwUihvttdSNnrsM25fSxi8/7uRTGH08DSI4SfJXDZbAOpyaninZADQ== |
| 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
| 2026-10-13T00:41:11.227536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023256observed c5680cc033053e43c4ade96de368bdaa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T00:41:11.157520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023256/manifest.jsonobserved 806d3eca2fd01c04ff0ddf19dae060ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:11.083933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023256/publication.mdobserved 414b166958daa5787f09c6abf2b54d77...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:10.958830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023256/publication.txtobserved 245fc2b67655c3b1bebc432357de4b5f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:11.202429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023256observed c5680cc033053e43c4ade96de368bdaa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:11.153348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023256/manifest.jsonobserved 806d3eca2fd01c04ff0ddf19dae060ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:11.101731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023256/publication.mdobserved 414b166958daa5787f09c6abf2b54d77...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:11.014020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023256/publication.txtobserved 245fc2b67655c3b1bebc432357de4b5f...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 |
|---|