OT-2026-000043257
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump 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-2026-000043257) never changes.
Identity and time
| Publication number | OT-2026-000043257 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327d-7e73-b74e-80fce69f4a7a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043257 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9f52705c69167c90062f93e27b503d16111f47750d6336658bf921cb13e4660a |
|---|---|
| Markdown | 75a49235ee2974dea57dd9ffb44f9fb3fd2d1a3a098397c5632eb9878fcfe2c9 |
| Publication page | 56ec74ef3b0de44fbd82903b42f4b11b6c826d8bd48381fa1c9070d2e3ac12be |
| Manifest | 849d067e22fadbab83e8713fdf4d455b877ab859f685b9f1d7385b2e53ae4a26 |
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 | skQRVSLXeXGP9ckNMv7+eoArsS9V1uE2aeYxpUbMJg1RtDZRMoivSkhV0Lm1UyBcX4jd1hMHOJk8XIul7XCQDw== |
| 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
| 2026-09-17T11:13:44.335477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043257observed 56ec74ef3b0de44fbd82903b42f4b11b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:44.316260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043257/manifest.jsonobserved 849d067e22fadbab83e8713fdf4d455b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:44.296261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043257/publication.mdobserved 75a49235ee2974dea57dd9ffb44f9fb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:44.276917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043257/publication.txtobserved 9f52705c69167c90062f93e27b503d16...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. |
|---|