OT-2026-000029725
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000029725) never changes.
Identity and time
| Publication number | OT-2026-000029725 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e23-76c1-b222-ecc6054eabfa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029725 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f9d6e7fc12e61fdae0935e42e8760f9c49aa59b9a3e882efc4cee16aaa02b73 |
|---|---|
| Markdown | 77eb2cc0757498468c266801fe1c5a6b8859f1bf3e3d327c327117b32d740dd1 |
| Publication page | f3b9ec3a2345c7354cf1dd6da0076a02511586a7c9c0b03b92cfaf8e346ae58c |
| Manifest | b833e736e80584828b563ee96cacb1d500cc2f155d77f9ed1c2cb9ed98a536db |
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 | gl+Nq3I1Xksi9wEX5rxjKwEskX4+mm266CCl59F5EzmOaMO28y+sngRWI85AKKxSbkiCzN+oD6CuSeCRGUU5DA== |
| 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
| 2026-10-30T16:41:32.673015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029725observed f3b9ec3a2345c7354cf1dd6da0076a02...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T16:41:32.557011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029725/manifest.jsonobserved b833e736e80584828b563ee96cacb1d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T16:41:32.498128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029725/publication.mdobserved 77eb2cc0757498468c266801fe1c5a6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T16:41:32.442991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029725/publication.txtobserved 5f9d6e7fc12e61fdae0935e42e8760f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:19.946947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029725observed f3b9ec3a2345c7354cf1dd6da0076a02...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:19.897144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029725/manifest.jsonobserved b833e736e80584828b563ee96cacb1d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:19.846531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029725/publication.mdobserved 77eb2cc0757498468c266801fe1c5a6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:19.704843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029725/publication.txtobserved 5f9d6e7fc12e61fdae0935e42e8760f9...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 |
|---|