OT-2026-000003998
Publication integrity record
Bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed
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-2026-000003998) never changes.
Identity and time
| Publication number | OT-2026-000003998 · never reused |
|---|---|
| Internal UUID | 01a0a90c-95f0-762a-99f0-c2785984db86 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:29.460340Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003998 |
| Status | PUBLIC |
Content hashes
| Canonical text | dcaa780fb27aad2c591b51086cc2aecaac2fe7b06bab596b74228aa61c3e9c1a |
|---|---|
| Markdown | 480e5aaa6ebd4f6ff01330d8b485b590fc02f4c8e0ef68d53814c7b23b649bbb |
| Publication page | 3f925295529b144861e26704c2e57f18f3825625a28d89a3e4efa533243198fa |
| Manifest | 2c12896369b85f09fb2f26af1948046fc92f99304c80fd07f4411691eb5c7695 |
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 | ggPh+nl7OjSbGaalHrSJAgfqxzO1NGdaBoaIVwrNQq1J2Msf7+jTel/9JNRAtl3D8CaplouSvd5orfJTlcf5Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:07.293828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003998observed 3f925295529b144861e26704c2e57f18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.279358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003998/manifest.jsonobserved 2c12896369b85f09fb2f26af1948046f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.265146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003998/publication.mdobserved 480e5aaa6ebd4f6ff01330d8b485b590...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.250118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003998/publication.txtobserved dcaa780fb27aad2c591b51086cc2aeca...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. |
|---|