OT-2026-000049640
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000049640) never changes.
Identity and time
| Publication number | OT-2026-000049640 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8fee-7253-92ef-d9bcbfda1fb8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049640 |
| Status | PUBLIC |
Content hashes
| Canonical text | d101a9f21023bd481bf0e57fe706e1c324f9be35cd6940d92408b2949085497b |
|---|---|
| Markdown | 435558dbd60572b3c4ac82476e5b9abf0d5e35360c11a0f3154776224f2e3446 |
| Publication page | 7a370ebbbec63c58868d4130249e4cf25be98f5edb4a077e86976847a1a1e35b |
| Manifest | 7f6095d7652131820cab260b3a1e49e98f02fe769406c8de5c4a415699466830 |
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 | bp10aXoV2HT5NWBnKGOovRAMr2YofSb/AUat0bC2Y6J3tHzOMo1QnEwWgmNPdG1sT3rSzO6RpCuHRiyMAAaRAw== |
| 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
| 2026-09-17T11:02:38.115326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049640observed 7a370ebbbec63c58868d4130249e4cf2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:38.097605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049640/manifest.jsonobserved 7f6095d7652131820cab260b3a1e49e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:38.080258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049640/publication.mdobserved 435558dbd60572b3c4ac82476e5b9abf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:38.062803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049640/publication.txtobserved d101a9f21023bd481bf0e57fe706e1c3...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. |
|---|