OT-2026-000005727
Publication integrity record
Vacuum cup gripper, four zone face, pump fed, vented before set down, polyurethane cups
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-2026-000005727) never changes.
Identity and time
| Publication number | OT-2026-000005727 · never reused |
|---|---|
| Internal UUID | 01a0a942-cde1-71c0-a757-3730ae2cb9c5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:08:42.724787Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005727 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ed8f1f14b52da2d03ade17a5cd114bd17683f7e2efcb78d6db694f2a041f571 |
|---|---|
| Markdown | 8f4519c7c0f7b798fe9651e078830f4fab94a7d484d108e75407149cb502a777 |
| Publication page | d11d17cec0d8d4218a7f3d6272198f5bbab97e755b333ea6387280936a4afe14 |
| Manifest | 5bd818e47bca2faaab451e7ea4216a26ffda48e3812701ade0d191eba5474048 |
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 | flEb+xIRHy0rKbBgm3YoCKiGoINDWqGyodozrphecPiDUMNg0RQbGFB+tsFYtSCh3ibJe4JoDfn+Vo+tmjOcCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:10:06.745454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005727observed d11d17cec0d8d4218a7f3d6272198f5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:06.731827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005727/manifest.jsonobserved 5bd818e47bca2faaab451e7ea4216a26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:06.717755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005727/publication.mdobserved 8f4519c7c0f7b798fe9651e078830f4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:06.702877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005727/publication.txtobserved 4ed8f1f14b52da2d03ade17a5cd114bd...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. |
|---|