OT-2026-000042549
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000042549) never changes.
Identity and time
| Publication number | OT-2026-000042549 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-73f9-985a-11b0ca7fbbd9 · 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-2026-000042549 |
| Status | PUBLIC |
Content hashes
| Canonical text | faf8a3ac7e24e558930ac66c59f14f42b576b2eb1454c047096ce98883a71ce0 |
|---|---|
| Markdown | 56cc83f5bfb0267da4a2fdcf90d01169c9d30abbe4048d9eaaf11cd86d156fb7 |
| Publication page | 2d21ce1f743760f30aff3249baa1be7293935c39cbcf3bd448e07436c1a096a1 |
| Manifest | 7c27e1fd48ee1d0f5c7cd6b06951aee8d2acec1c183c90f43e8516d43c3b69b3 |
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 | PR3zSIcAaxOmLgxX0FkKf4q+2m1Q4Bzt8vRkvN1mUV6dp95rN8RXnOXZr8WgdRicK4+3nBKXJTd8x3zVhhr2Bw== |
| 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
| 2026-09-17T11:14:15.328622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042549observed 2d21ce1f743760f30aff3249baa1be72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:15.310897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042549/manifest.jsonobserved 7c27e1fd48ee1d0f5c7cd6b06951aee8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:15.291449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042549/publication.mdobserved 56cc83f5bfb0267da4a2fdcf90d01169...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:15.272142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042549/publication.txtobserved faf8a3ac7e24e558930ac66c59f14f42...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. |
|---|