OT-2026-000004521
Publication integrity record
Bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure verified
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-2026-000004521) never changes.
Identity and time
| Publication number | OT-2026-000004521 · never reused |
|---|---|
| Internal UUID | 01a0a91a-bbfa-7f3f-88e1-65aa1381b413 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:56.700766Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 193943a9e514f146a473f328b07b952ad11fb9921c2cc2219a0baff2dc6c2b37 |
|---|---|
| Markdown | ec7fd6c34cee2642334bb36c1a4f94eb00b28a9e5acec7bcca8b5c7c294a2edf |
| Publication page | d5748f157753066c8e0e47ed656c1d515a0254f4eacdc918278ea5e44c2286e5 |
| Manifest | e630bbe29155d1ff9d511651c5ec7ecfdc9d37c769eecae9974f6c421c4c0087 |
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 | e1lTcGsm2NKTOPumV7WxbBasutwibJ2JlD+EYjTNCVIa34EM3r0tBNVB5l14fptDalYauxT6xG/VXV2aLdJICQ== |
| 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
| 2026-09-16T07:30:18.871459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004521observed d5748f157753066c8e0e47ed656c1d51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:18.736763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004521/manifest.jsonobserved e630bbe29155d1ff9d511651c5ec7ecf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:18.722779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004521/publication.mdobserved ec7fd6c34cee2642334bb36c1a4f94eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:18.708451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004521/publication.txtobserved 193943a9e514f146a473f328b07b952a...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. |
|---|