OT-2026-000004491
Publication integrity record
Bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector
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-2026-000004491) never changes.
Identity and time
| Publication number | OT-2026-000004491 · never reused |
|---|---|
| Internal UUID | 01a0a919-c6eb-740f-afe9-39a624db66c2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:53.966318Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004491 |
| Status | PUBLIC |
Content hashes
| Canonical text | 206ae9d9adcd75923a93eb8ddd8b95464052a676fb1802e74b35ea7b2b47d718 |
|---|---|
| Markdown | a78dd54c6205b86f6b4a829ef7855f0067d66679e110503beffc0bbb3b409773 |
| Publication page | ba42869b8010320126f2c6ca13d941c5526c2ee137e8d10653299fe33a9b7555 |
| Manifest | 82fd6f7a59b42f829a4ec465f142718f5ee1f24b516ddba02671cc21fc7c2df8 |
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 | 0G2hne6UhHTySdZdKJQaST5My+NKunPLvlaXFotPeQe2neQCYb18qn7WtWc03qj8JFVnm5QYGmrFexbVWfQ5Dw== |
| 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
| 2026-09-16T07:30:21.898052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004491observed ba42869b8010320126f2c6ca13d941c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:21.884249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004491/manifest.jsonobserved 82fd6f7a59b42f829a4ec465f142718f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.870736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004491/publication.mdobserved a78dd54c6205b86f6b4a829ef7855f00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.744965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004491/publication.txtobserved 206ae9d9adcd75923a93eb8ddd8b9546...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. |
|---|