OT-2026-000004874
Publication integrity record
Bellows cup vacuum gripper, three stage ejector, pressure verified, contact triggered
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-2026-000004874) never changes.
Identity and time
| Publication number | OT-2026-000004874 · never reused |
|---|---|
| Internal UUID | 01a0a926-24d3-75cc-9bbf-bf6cbf8f375d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:24.438089Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004874 |
| Status | PUBLIC |
Content hashes
| Canonical text | 40be0e6f2acb1fe92a253311667440aa9e769cc8ca10e54c19e2e93b460359ac |
|---|---|
| Markdown | 687265a94dd4657a0b3987b17b319b62428e4d3b06fe85b4ac06128b53c5cd1c |
| Publication page | fba45896d589d35a1d34c280a1498fd438d1a5f16e8c7a5acd5cc79cb92f3971 |
| Manifest | f6ec117f0c42a54c70960837263efee2174933a6bfc3cb539f54eeb7a6bf3c6e |
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 | rIsSOms+doNVK3TSQm1qEM9/56SCuImeN4uMhwU7DDx0qbox9ZzocPfrDkd515Jb0IERcqwPTJWfYg7m4A8pDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:09.698878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004874observed fba45896d589d35a1d34c280a1498fd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:09.686631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004874/manifest.jsonobserved f6ec117f0c42a54c70960837263efee2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.674590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004874/publication.mdobserved 687265a94dd4657a0b3987b17b319b62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.663412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004874/publication.txtobserved 40be0e6f2acb1fe92a253311667440aa...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. |
|---|