OT-2026-000023701
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, 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-2026-000023701) never changes.
Identity and time
| Publication number | OT-2026-000023701 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed4-72dd-8a3b-f9489c070e88 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023701 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed03c0681a4115d557ab8db0d92f66ac5af9762c59e383f07f984fb78dba157d |
|---|---|
| Markdown | 5c3187a776e785a6aafa902178960240887bfc692e56b8d4c3400a0df897a030 |
| Publication page | a7e16a0d765596b245184978012215662ac50f7147417e3633e54f189a814d5d |
| Manifest | 0d8bc7e276783cf66988ff7b1764b1dac72cbac3ba2895fb2a42fda4eb339867 |
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 | Zdqyr0Lq75UzYkXNQ+0dxpA134c7AT4dZ72hbAc4nP4nd/TYWf9EAqyKKHJnzPFAiog0Kwtmxm+wTBAKpqG+Bw== |
| 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
| 2026-09-17T11:50:02.043941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023701observed a7e16a0d765596b24518497801221566...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:50:02.021330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023701/manifest.jsonobserved 0d8bc7e276783cf66988ff7b1764b1da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:02.003259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023701/publication.mdobserved 5c3187a776e785a6aafa902178960240...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:01.981659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023701/publication.txtobserved ed03c0681a4115d557ab8db0d92f66ac...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. |
|---|