OT-2026-000021413
Publication integrity record
Single cup vacuum gripper, single stage ejector, 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-2026-000021413) never changes.
Identity and time
| Publication number | OT-2026-000021413 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7a64-b61b-a90ec34f5ec2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021413 |
| Status | PUBLIC |
Content hashes
| Canonical text | 36650ab1b5e08a6594548df192f870a3a4df306f6842b93a6854e095a4e69778 |
|---|---|
| Markdown | f6def182dd46380100e0b9bfe0b0815773c6d9bdd9cb4e3283d8516515004be9 |
| Publication page | 0407bb82e89b628803fdf808fb58335eb514322adfbba6aa263aeb6762ee5511 |
| Manifest | 6b8d31396b0ac87f6e4a09fc60c7c026c6d67470c3e8f7f33e824994d09b2544 |
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 | Cl6bwHx4i72wLPv2TnhM4EdEs9vrCKf50afvrKFUG3ffroexh9M7lpprgXVduecFwemT6+pjVXuXDsz+dneCAw== |
| 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
| 2026-09-17T11:55:18.760410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021413observed 0407bb82e89b628803fdf808fb58335e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:18.737980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021413/manifest.jsonobserved 6b8d31396b0ac87f6e4a09fc60c7c026...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:18.710353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021413/publication.mdobserved f6def182dd46380100e0b9bfe0b08157...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:18.654120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021413/publication.txtobserved 36650ab1b5e08a6594548df192f870a3...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. |
|---|