OT-2026-000013740
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000013740) never changes.
Identity and time
| Publication number | OT-2026-000013740 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7b71-a4ad-ef134aff2a80 · 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-2026-000013740 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf0d4e3571cb0e62ac7f1f3f501f4da9c493541c6eed8b3a49f4cc3a6efe044b |
|---|---|
| Markdown | b061334b5ad9bdbb1bc3b9d0b4910f58d119f55ae5085622078f8c0bdab99548 |
| Publication page | 891de7a304996d6460ce7bb3a456e88754d61534451edf7d8cf3d6a78a39d80c |
| Manifest | 80f81728189e5f0f586e971b3bb0a64e89923c5bf650a6dae170b27ff56ddd2d |
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 | P+M4NgjQ8QnwNVPqq5oQm9XFj5aLwqkjkE51Ey7I9ni8aczJR0q9G2BFxuHF9Po/v+0vjuhO6iWnXKkLeQOtAQ== |
| 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
| 2026-09-17T12:08:42.501833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013740observed 891de7a304996d6460ce7bb3a456e887...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:42.483163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013740/manifest.jsonobserved 80f81728189e5f0f586e971b3bb0a64e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:42.464470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013740/publication.mdobserved b061334b5ad9bdbb1bc3b9d0b4910f58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:42.444469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013740/publication.txtobserved bf0d4e3571cb0e62ac7f1f3f501f4da9...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. |
|---|