OT-2026-000012809
Publication integrity record
Single cup vacuum gripper, two stage ejector, 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-2026-000012809) never changes.
Identity and time
| Publication number | OT-2026-000012809 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-7c0a-9179-0ea5b5a6fdad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012809 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb627e5ef40724ebc5e68dc6d6a0ad416ab7404e447577ad48e599fc5344bce4 |
|---|---|
| Markdown | fa7fa79115dfa349718848d562f907c7508ce73e2c3daf27999e437b2a4c49bb |
| Publication page | 7fd98f7cec1c263ecda73bd95a3633521adea642b672546bc8489aab0c3dab4e |
| Manifest | a53a3d01bb605e6bd8d7f4387e176099a7efb568367a065d60fcfdae45d163e8 |
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 | WDCE7aeEUtwxjg7mvr3fmvZrBlo5ud0pI0+7VY9DixVcLfemK+M/WL++7kVZfdd6gPMr3zzk8OILAT1tjtXdBg== |
| 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
| 2026-10-23T04:41:16.976595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012809observed 7fd98f7cec1c263ecda73bd95a363352...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T04:41:16.917528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012809/manifest.jsonobserved a53a3d01bb605e6bd8d7f4387e176099...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:16.856748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012809/publication.mdobserved fa7fa79115dfa349718848d562f907c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:16.699268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012809/publication.txtobserved bb627e5ef40724ebc5e68dc6d6a0ad41...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:32.381475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012809observed 7fd98f7cec1c263ecda73bd95a363352...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:32.352966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012809/manifest.jsonobserved a53a3d01bb605e6bd8d7f4387e176099...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:32.331915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012809/publication.mdobserved fa7fa79115dfa349718848d562f907c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:32.312598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012809/publication.txtobserved bb627e5ef40724ebc5e68dc6d6a0ad41...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 |
|---|