OT-2026-000008520
Publication integrity record
Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000008520) never changes.
Identity and time
| Publication number | OT-2026-000008520 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46a-7182-b261-91204c4166ab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008520 |
| Status | PUBLIC |
Content hashes
| Canonical text | b7d7f65a5e7cf2227f3db9fe670487f36bb9f83c0fe765179ee05beea8238909 |
|---|---|
| Markdown | 94fb99e7447671153114e74fa2e483881e2fdaa67224f3294b3d84d868a0bf11 |
| Publication page | 7635004d6695baf163f804a8f48228a7a75a1df87c0fe6462ac896633fd26ef9 |
| Manifest | 2da784423880113740be5e469b5ecd1a2e9bc6d4b4b39bf516ee83cfb5da0abf |
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 | a0PICxcbNysYy8ND9Dh/esYxniHQFx/niCdOjKqnaNT71kKBt2nIit1SJ7FvZZSSOVYKMIWIA1k9LA6nFTkJAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:18:26.111559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008520observed 7635004d6695baf163f804a8f48228a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:18:26.091458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008520/manifest.jsonobserved 2da784423880113740be5e469b5ecd1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:26.072465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008520/publication.mdobserved 94fb99e7447671153114e74fa2e48388...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:26.052357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008520/publication.txtobserved b7d7f65a5e7cf2227f3db9fe670487f3...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. |
|---|