OT-2026-000047298
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000047298) never changes.
Identity and time
| Publication number | OT-2026-000047298 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-3e56-7e10-b199-32779ac2b89b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:32:49.774666Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000047298 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c0acbb842e30c7fb6e8c44f0f97ac8eaf44a39ca89720650e7641aba186e240 |
|---|---|
| Markdown | 5952532c4b8c12be0b0f3501598a28d7c5a0677ad9aa198d213e53e487e87657 |
| Publication page | 9bf94d590821f8e2a528fbcc0160ef2f30a9ac7f89653a464764c4ac9f2736cd |
| Manifest | 34dd659611c68c2e83522b25fd4c1d39f5a96cd1d99d93468703799d5efa7dc0 |
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 | EFxEwyQZcvjuEcNzZ28xu6v5XDgY5JnGF8HD4Sy3hYBngjYsesBieJusF6RiSTmY+zzpziVWQX8C4qhc9PuACw== |
| 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
| 2026-10-29T20:41:35.761964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047298observed 9bf94d590821f8e2a528fbcc0160ef2f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T20:41:35.714678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047298/manifest.jsonobserved 34dd659611c68c2e83522b25fd4c1d39...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:35.663552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047298/publication.mdobserved 5952532c4b8c12be0b0f3501598a28d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:35.559649Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047298/publication.txtobserved 4c0acbb842e30c7fb6e8c44f0f97ac8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T08:41:17.032279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047298observed 9bf94d590821f8e2a528fbcc0160ef2f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T08:41:16.932222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047298/manifest.jsonobserved 34dd659611c68c2e83522b25fd4c1d39...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T08:41:16.757407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047298/publication.mdobserved 5952532c4b8c12be0b0f3501598a28d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T08:41:16.609817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047298/publication.txtobserved 4c0acbb842e30c7fb6e8c44f0f97ac8e...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 |
|---|