OT-2026-000077129
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000077129) never changes.
Identity and time
| Publication number | OT-2026-000077129 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-76f3-9b18-0e43559091c8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077129 |
| Status | PUBLIC |
Content hashes
| Canonical text | 88ddadd412d4b0d063701f60220208e34625d82e5abff125cd1c74dc78a1d27a |
|---|---|
| Markdown | 80da4794e3a05a1da2b14f49a40cd6a402c8c4ada9ec4468197f1df9c10d4a22 |
| Publication page | dfdfa3e5e7b72fe4cb0afe0156c5b9f6a705b4f0b3624f655c2f8dc5afd74722 |
| Manifest | 595ad2e849406c10858c7f36259806d1497966bab95b5ad2ae46416416e2df83 |
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 | RWDo+eKimRG2YcsXSJ+HeC4ZadYoh5yw+3yLwJcjzWEOA2xxgTnVikTS5M31wM6YecTehA+Devpo68Ia4smHDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-31T08:42:00.923122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077129observed dfdfa3e5e7b72fe4cb0afe0156c5b9f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:42:00.847192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077129/manifest.jsonobserved 595ad2e849406c10858c7f36259806d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:42:00.739251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077129/publication.mdobserved 80da4794e3a05a1da2b14f49a40cd6a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:42:00.626190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077129/publication.txtobserved 88ddadd412d4b0d063701f60220208e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:34.359591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077129observed dfdfa3e5e7b72fe4cb0afe0156c5b9f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:34.309766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077129/manifest.jsonobserved 595ad2e849406c10858c7f36259806d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:34.235520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077129/publication.mdobserved 80da4794e3a05a1da2b14f49a40cd6a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:34.158184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077129/publication.txtobserved 88ddadd412d4b0d063701f60220208e3...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 |
|---|