OT-2026-000052911
Publication integrity record
Two bellows cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000052911) never changes.
Identity and time
| Publication number | OT-2026-000052911 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-7ccf-bfac-64e33e1b2db2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052911 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7eb64f53a31caa33ca4e1d8cd1eb1bdacffd24018ac9c066b293925466a90f69 |
|---|---|
| Markdown | 1e0e0ae5f6608f20902bf8619d818fd218d0bfdeefa8f58b6c560a3f9b4d51b1 |
| Publication page | 7d92b555bfabde5f0142c2e4e89704d3ae8f5cd37fc59b474a8c6e8152d3b5a0 |
| Manifest | 4aae52b4d205f11b4342dd1a4fa0a7c2cc2081163cccf911daa333d8e6fd37d3 |
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 | 8vfsYtkQNXUFHwTwkYa7ZVo+paF67zlRJlkhGKMjfoPD4Q0sspFCdevBHRPlVRsP24BTMdXS5jgj6JKCEIxNBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-31T08:41:43.734937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052911observed 7d92b555bfabde5f0142c2e4e89704d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:41:43.648512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052911/manifest.jsonobserved 4aae52b4d205f11b4342dd1a4fa0a7c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:43.566250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052911/publication.mdobserved 1e0e0ae5f6608f20902bf8619d818fd2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:43.481074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052911/publication.txtobserved 7eb64f53a31caa33ca4e1d8cd1eb1bda...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:33.313612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052911observed 7d92b555bfabde5f0142c2e4e89704d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:33.295634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052911/manifest.jsonobserved 4aae52b4d205f11b4342dd1a4fa0a7c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:33.276447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052911/publication.mdobserved 1e0e0ae5f6608f20902bf8619d818fd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:33.256202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052911/publication.txtobserved 7eb64f53a31caa33ca4e1d8cd1eb1bda...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|