OT-2026-000029437
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000029437) never changes.
Identity and time
| Publication number | OT-2026-000029437 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e21-7608-91fa-fdabe72cf48d · 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-2026-000029437 |
| Status | PUBLIC |
Content hashes
| Canonical text | fcb1400781a89af4a0cd8f8aab2d7ee0e396bf68bb38b284b68d87d28c2fa6b6 |
|---|---|
| Markdown | 64aebd8cfc234aee25a05c8ccfac42ad9a4d2a76cc81cece103ee2977a93d010 |
| Publication page | e7afc5532173d3dce0ecf0bff43a1c3d985e3e64a40ae63b2696a283939f8c5d |
| Manifest | a53905cd9baa7cdf0f4c7374d01aa9a1dc3a6bf229ebe8af0c195f19dd7610e5 |
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 | bfzZGKZN7p7P1VOlidbNK4YLYQFuHr/S2778uE5FdanNNB8H/sJm4gPBFbkbMCq0gTiwphw5uKGfSjoOkWMoCQ== |
| 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
| 2026-10-28T00:41:55.085812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029437observed e7afc5532173d3dce0ecf0bff43a1c3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T00:41:55.019753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029437/manifest.jsonobserved a53905cd9baa7cdf0f4c7374d01aa9a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:54.924872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029437/publication.mdobserved 64aebd8cfc234aee25a05c8ccfac42ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:54.812855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029437/publication.txtobserved fcb1400781a89af4a0cd8f8aab2d7ee0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:27.076144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029437observed e7afc5532173d3dce0ecf0bff43a1c3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:27.024462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029437/manifest.jsonobserved a53905cd9baa7cdf0f4c7374d01aa9a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:26.954927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029437/publication.mdobserved 64aebd8cfc234aee25a05c8ccfac42ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:26.889658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029437/publication.txtobserved fcb1400781a89af4a0cd8f8aab2d7ee0...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 |
|---|