OT-2026-000004750
Publication integrity record
Vacuum cup gripper, three zone face, four outlet manifold, ejector fed, pressure verified, 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-2026-000004750) never changes.
Identity and time
| Publication number | OT-2026-000004750 · never reused |
|---|---|
| Internal UUID | 01a0a922-2c21-7e1d-b665-98ef267f0af9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:33:04.163980Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004750 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76bcd83f1ef9b0a39d7f7742813a97471c53a5bb865952a4cf973cebd57bf666 |
|---|---|
| Markdown | c5ff953597a4e22389d6f5773bcb611a2acceef0d9cee12e0110c94f5c469694 |
| Publication page | cbd8696b3b1f2ce518cf2d6ba93ba8f8539d739e568f992eebc7247f91c130a7 |
| Manifest | 003fca4e4b63c3b2ee777d24d0b787fe18b5eea32b7990c1947e611f156d773f |
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 | md/2wOn3C0hxvWbBXMClWaEcc8mFGJXVFPnQzYXCcy/QkKQsed6w/fABVSBXoGOcxe+VMq5tpyDhc7j68Ym0Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:22.965756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004750observed cbd8696b3b1f2ce518cf2d6ba93ba8f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:22.951062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004750/manifest.jsonobserved 003fca4e4b63c3b2ee777d24d0b787fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:22.938719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004750/publication.mdobserved c5ff953597a4e22389d6f5773bcb611a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:22.926327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004750/publication.txtobserved 76bcd83f1ef9b0a39d7f7742813a9747...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. |
|---|