OT-2026-000014090
Publication integrity record
Foam pad vacuum gripper, pump fed, pulsed 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-2026-000014090) never changes.
Identity and time
| Publication number | OT-2026-000014090 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8deb-707f-bb87-5ed23791a988 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000014090 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f82d41579615d51858d3fdea0ae00ed76f1d81827f9578a0c77533e05c5caec |
|---|---|
| Markdown | 9018b09e54cd36349b085737193c3377328dd1f0d34e38d18af8294264cb80a9 |
| Publication page | 6822840f18b7cbb58324dd2b43c332c94533213e595eb35f36c89b456ca57844 |
| Manifest | 17c8da3a2548f15e465ca53a0f1d7b78332456e0e6e9bd15270c185d35ddb308 |
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 | RzgpcI5tQflIBHcZZpq77Fy6XOkNMqyPD2EOtLqcPOUmevV9ILg78z5eExwwjtz97P3r6hczJNqjqQPWW+KDBw== |
| 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
| 2026-10-16T20:42:05.245379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014090observed 6822840f18b7cbb58324dd2b43c332c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T20:42:05.127755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014090/manifest.jsonobserved 17c8da3a2548f15e465ca53a0f1d7b78...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:42:04.934114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014090/publication.mdobserved 9018b09e54cd36349b085737193c3377...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:42:04.861688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014090/publication.txtobserved 6f82d41579615d51858d3fdea0ae00ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:03.871004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014090observed 6822840f18b7cbb58324dd2b43c332c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:03.760419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014090/manifest.jsonobserved 17c8da3a2548f15e465ca53a0f1d7b78...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:03.682787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014090/publication.mdobserved 9018b09e54cd36349b085737193c3377...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:03.599345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014090/publication.txtobserved 6f82d41579615d51858d3fdea0ae00ed...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 |
|---|