OT-2026-000058172
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after set-down, on a tool changer
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-2026-000058172) never changes.
Identity and time
| Publication number | OT-2026-000058172 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6edb-7883-8893-76504c3f00ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000058172 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f9499aa675fa68da110dd5d125615a603947d55e0a217f776ad7631961cd0c6 |
|---|---|
| Markdown | 17f87676ec64de47b678705005d399230317d0d20a34d9d8545e85685bbdc768 |
| Publication page | 4d073d3876fd4aaa8f8fdbc28f1a2b02af3d7059ff7fad2a1f75b0dadfdc07ce |
| Manifest | 17832ab3e4dda9645c5949d6308ed88e8634bd887c9e23c9bbbc65453320a903 |
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 | 97KibMvgKl9pZZpGlXb83KGym09hwdEjag5wD56Ag3hDg6+137VKVd3T+v1rCUBLq3CJgjqRPNa4DzpwRdguDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:47:52.541041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058172observed 4d073d3876fd4aaa8f8fdbc28f1a2b02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:52.522528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058172/manifest.jsonobserved 17832ab3e4dda9645c5949d6308ed88e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:52.505271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058172/publication.mdobserved 17f87676ec64de47b678705005d39923...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:52.488204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058172/publication.txtobserved 7f9499aa675fa68da110dd5d125615a6...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. |
|---|