OT-2026-000041981
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000041981) never changes.
Identity and time
| Publication number | OT-2026-000041981 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a7-7a1c-8797-a68b5467609d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 649363e867433ce09fb90bbf4ae2658a9999e794caa15829529486bd575533da |
|---|---|
| Markdown | 8fc8ce3eccee4cf01d7493c0d591bbc33d8acc69aa55e1e7f84b459b5ef05b3f |
| Publication page | f17e6fb3abd5f11a996b771883bbede7b10c1c63dd3b778c269db63fafd5ba77 |
| Manifest | eff5fc1cd3e749467db61f836928b7563b1705a291697bd2096a0885b4bbb9e1 |
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 | +dvrcCfsLeycm2F/aeJ8h2zo4Rc6gg0zQ09Z+ctbNMhLZU53yPrfj0yGN3uw46jZUHymbA3Hc2TQbAgFBgtIBg== |
| 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
| 2026-09-17T11:16:52.555015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041981observed f17e6fb3abd5f11a996b771883bbede7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:52.538730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041981/manifest.jsonobserved eff5fc1cd3e749467db61f836928b756...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:52.521534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041981/publication.mdobserved 8fc8ce3eccee4cf01d7493c0d591bbc3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:52.502922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041981/publication.txtobserved 649363e867433ce09fb90bbf4ae2658a...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. |
|---|