OT-2026-000013997
Publication integrity record
Single cup vacuum gripper, three stage ejector, pulsed blow-off before 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-2026-000013997) never changes.
Identity and time
| Publication number | OT-2026-000013997 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-7df4-9c29-a069cffe7593 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013997 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3fa45efe48e5e471f1b1a6484ef3944eb0ef064b23c8267f6bf7814a004df9e3 |
|---|---|
| Markdown | b6fdd938ae9ccfbe6ade2e6ea45e0ee7bf3a9d7a0f1fb82781e184896c54f530 |
| Publication page | 0db4195209149f76decf177d283f497cc5792a81667d92783b52490b92f1908d |
| Manifest | 9f35bc0c3a78a896852f9f544250ed968360fc45814f7944d142a31e13d4d973 |
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 | M+CXk54iq+DhJKoLwX6aag2CXCUCxk3smZ/l6RJjue5lx3GkjHFCGUBHfgjy9skpTpRTrvsvKnpzV6SIgW6hCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:09:13.047848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013997observed 0db4195209149f76decf177d283f497c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:13.027840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013997/manifest.jsonobserved 9f35bc0c3a78a896852f9f544250ed96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:13.006394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013997/publication.mdobserved b6fdd938ae9ccfbe6ade2e6ea45e0ee7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:12.986518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013997/publication.txtobserved 3fa45efe48e5e471f1b1a6484ef3944e...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. |
|---|