OT-2026-000028381
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000028381) never changes.
Identity and time
| Publication number | OT-2026-000028381 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-702c-a866-b4c66e700d0b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028381 |
| Status | PUBLIC |
Content hashes
| Canonical text | d3bed02ad16da8f58e58adf9ae1f9c2a82e3245b06f4e9801abbf81d3b9062cb |
|---|---|
| Markdown | 46d717bf622cca07f849a91a9d174d625b3fac792de24a2c15d7c738a3cc6b6c |
| Publication page | 4d51673cd969a210f214edd3acacb790fc4456bfd408ea2f51bb77b1ac2e6606 |
| Manifest | 8aeed9b4907fcaec8c98eab99761fbe6ce2f64f5536e95b44ffc423aec7ebccc |
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 | MtHIJoVrzPFbBsmx8cL3XNp62PscaVZDMfARUxtBvO8aiTYnzj9M+NapsHncsR0ERQaPdPT8BfbdTj0icvgXCg== |
| 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
| 2026-09-17T11:40:23.788173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028381observed 4d51673cd969a210f214edd3acacb790...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:23.769685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028381/manifest.jsonobserved 8aeed9b4907fcaec8c98eab99761fbe6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:23.750720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028381/publication.mdobserved 46d717bf622cca07f849a91a9d174d62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:23.731274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028381/publication.txtobserved d3bed02ad16da8f58e58adf9ae1f9c2a...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. |
|---|