OT-2026-000031937
Publication integrity record
Single cup vacuum gripper, three stage ejector, 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-2026-000031937) never changes.
Identity and time
| Publication number | OT-2026-000031937 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7b24-b2f2-f96d1acd2f80 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031937 |
| Status | PUBLIC |
Content hashes
| Canonical text | ddecf0c89a308881c6dd0fe77e743e14076f750ba0663bd500cc14fac0837c10 |
|---|---|
| Markdown | 3990be6abd979458094ed9d2dcc364515861d2158b533c5966547b123d4a899c |
| Publication page | 97979e5ce481aa9330a21ce303a72454b0a97db20cdf8049b1afae5d2aefab80 |
| Manifest | ee1c239de6d3960213b00619733087120d23406f398c511ce3fcd4835dc99ada |
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 | LsOu99rMmPWOrCWv2prCfiEmm98ql/l+gDC0rog6yYIcXhMP5+Fatfg7EBTJzBZzHE2pm5AxGywroSS1xoHaBw== |
| 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
| 2026-09-17T11:35:13.138326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031937observed 97979e5ce481aa9330a21ce303a72454...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:13.117405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031937/manifest.jsonobserved ee1c239de6d3960213b0061973308712...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:13.099215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031937/publication.mdobserved 3990be6abd979458094ed9d2dcc36451...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:13.082844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031937/publication.txtobserved ddecf0c89a308881c6dd0fe77e743e14...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. |
|---|