OT-2026-000100349
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer
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-2026-000100349) never changes.
Identity and time
| Publication number | OT-2026-000100349 · never reused |
|---|---|
| Internal UUID | 01a0aea3-3054-7e37-9d06-a71b4dbe9eb3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:05.469356Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100349 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb063e7512a3219b7e7357cd87b838746240b5996096cf9f6409ce84053576d4 |
|---|---|
| Markdown | ac3d6c79e34b8290b5233a08b9629713ad7019e44646e3f3565586c0df40d7bd |
| Publication page | 6b089c28c2e240f00ac1907837f71d5736ef809ecde434f277e36195e9cb4e5c |
| Manifest | 79a6e45399beb211a2f087fcf06f045a019c5b167684add7001a3a1f2db533b7 |
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 | AXB7NuMN+QK3TtZbshWep7YbheW0kFCpbilLx/8ZpFTzCadNrxXNRFE7ofaeLcaBK0KgkeASJRSmUPc2GtX4Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-10-20T04:41:19.045866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100349observed 6b089c28c2e240f00ac1907837f71d57...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T04:41:18.997725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100349/manifest.jsonobserved 79a6e45399beb211a2f087fcf06f045a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:18.946632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100349/publication.mdobserved ac3d6c79e34b8290b5233a08b9629713...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:18.895869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100349/publication.txtobserved fb063e7512a3219b7e7357cd87b83874...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:30:17.877667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100349observed 6b089c28c2e240f00ac1907837f71d57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:30:17.851650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100349/manifest.jsonobserved 79a6e45399beb211a2f087fcf06f045a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:30:17.833760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100349/publication.mdobserved ac3d6c79e34b8290b5233a08b9629713...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:30:17.813896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100349/publication.txtobserved fb063e7512a3219b7e7357cd87b83874...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|