OT-2026-000031540
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000031540) never changes.
Identity and time
| Publication number | OT-2026-000031540 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-7e38-bfb1-d9df125a9a3c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031540 |
| Status | PUBLIC |
Content hashes
| Canonical text | d64c91c7ab2a4f22ee2504ba164f669febf7e4017bc1a5a99721fde92fca18c6 |
|---|---|
| Markdown | 449a86d3e99214f47cc8353ff463cb4bc3e01112b77f1a49a868d8edbbc15a54 |
| Publication page | e0c6878cefaef3dd357c9172b4677c7b5168d511131732c430030a9167b5eae0 |
| Manifest | 7bd8900af77e3fdcb1cf32855ace722716d7386d16587a043953f9e6b40e4ae9 |
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 | xL4R1/56Q2WSMvfHxEIRNxgllj+k6/r4nzu9Bgkx9VS/IkSgYyRL+qPS6EDbV5PgvZDV+gjELrAhK7jm7FcDAA== |
| 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
| 2026-09-17T11:36:22.906382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031540observed e0c6878cefaef3dd357c9172b4677c7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:22.888872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031540/manifest.jsonobserved 7bd8900af77e3fdcb1cf32855ace7227...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:22.868025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031540/publication.mdobserved 449a86d3e99214f47cc8353ff463cb4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:22.847410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031540/publication.txtobserved d64c91c7ab2a4f22ee2504ba164f669f...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. |
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