OT-2026-000042929
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000042929) never changes.
Identity and time
| Publication number | OT-2026-000042929 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7d41-8d18-3305f7caf4bc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042929 |
| Status | PUBLIC |
Content hashes
| Canonical text | 678fd271955918c9df6e117f7496b4c26f668d3eb9d4a14caaee1b3bf393c108 |
|---|---|
| Markdown | 98dad4238b0e4685bf31d791ce7747ebb2e0477b5c45ad379d1af041b548ef23 |
| Publication page | 4a47a55f935b79af6e578f4804bb349b0e4ac298ff2ae19a7c9678545123abed |
| Manifest | 27ac97cc2b0e905aabda8355dbb5d639304b4d36eb5562b5cc76c8b7d49fcde1 |
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 | WIgb6EL7WWyZjsYIpbX7kdEgYTytQ/OWbsp7kT+zJz4eUxgsbSDq2q9UE3V+09Ss00L1hMwa2p34RdF/dFYJAQ== |
| 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
| 2026-09-17T11:15:27.518190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042929observed 4a47a55f935b79af6e578f4804bb349b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:27.498407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042929/manifest.jsonobserved 27ac97cc2b0e905aabda8355dbb5d639...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:27.476765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042929/publication.mdobserved 98dad4238b0e4685bf31d791ce7747eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:27.451060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042929/publication.txtobserved 678fd271955918c9df6e117f7496b4c2...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
| Custody package | Pending Custody packages are produced weekly. |
|---|