OT-2026-000028301
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000028301) never changes.
Identity and time
| Publication number | OT-2026-000028301 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7a99-b27d-de15ca98b98e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028301 |
| Status | PUBLIC |
Content hashes
| Canonical text | c93602d788935f28e1ec7e02ca5239a83ed05eb2cfb45717df9f0ccdf4b7546e |
|---|---|
| Markdown | 602ec2b01c4f83c7d583e1b7076211f0951919735d070470b02e3815e9dcd3fc |
| Publication page | e31bca58cce6328b9f4dde6a3f5398a5a6af82c4a8211fdbaaa26d38b0c5cf4a |
| Manifest | c650da84ace3f85676fc2d68160c16b217935dc7a29aa88f7760477c478852a7 |
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 | lB1bjPZrSIqhGZWutWmy4ATqHAAniPysE+ZFpEewOySALMYqmVmS2WHh43y6FuUyelKaCn8n1eBl0Fgvpjj1DA== |
| 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
| 2026-09-17T11:40:17.538793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028301observed e31bca58cce6328b9f4dde6a3f5398a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:17.520392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028301/manifest.jsonobserved c650da84ace3f85676fc2d68160c16b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.501136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028301/publication.mdobserved 602ec2b01c4f83c7d583e1b7076211f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.478515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028301/publication.txtobserved c93602d788935f28e1ec7e02ca5239a8...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. |
|---|