OT-2026-000004104
Publication integrity record
Vacuum cup gripper, two zone face, four outlet manifold, two 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-2026-000004104) never changes.
Identity and time
| Publication number | OT-2026-000004104 · never reused |
|---|---|
| Internal UUID | 01a0a90e-c180-78bc-813a-724a33a1b142 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:51.682963Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004104 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e79c08da2ceee2431286f4de73152425e1350e70d7cfd3d876370e6c96ad52f |
|---|---|
| Markdown | d8278314b925dadefbca259f55658999315ea5a78a865b507a899695ac827552 |
| Publication page | a23c0d0e740b57db65e3174cc57aaceaef1e7a659b1fc9729ccc7a0ed6bb16ef |
| Manifest | 54ae67e35e760f6ad6f578cb98010781d1afa7f5ada3c9609d507cf6057dc908 |
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 | irRpfSOjwhgXP1c2bCPJRv0Fg7fKthoLtRA09F2y7yNxgb7vmprg0/q2lOzm+4IhG3q1UXFr0ZUmY2nuRaR+AQ== |
| 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
| 2026-09-16T07:20:36.135084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004104observed a23c0d0e740b57db65e3174cc57aacea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:36.121476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004104/manifest.jsonobserved 54ae67e35e760f6ad6f578cb98010781...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:35.986176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004104/publication.mdobserved d8278314b925dadefbca259f55658999...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:35.971214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004104/publication.txtobserved 2e79c08da2ceee2431286f4de7315242...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. |
|---|