OT-2026-000021231
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down
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-2026-000021231) never changes.
Identity and time
| Publication number | OT-2026-000021231 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7771-ba19-7b26272a8dee · 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-2026-000021231 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4b7bee8c31120da284913dce7646b304f27e2353f88479a9a85584696e38e22 |
|---|---|
| Markdown | 5e8dccf2f5f9cb95d2833651143c9f6d00d072ae8f89599e61e6fbbe644ef27d |
| Publication page | feece58d4f706f278b92d912fde9594b40f2d973fbd8ce67cdc35d77994a4033 |
| Manifest | c8094d59fc7f778e940f116e994e84c4e657485287b4d2f6ee3bf046ffdfa310 |
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 | Nz2JxHutExLDCdALmqlzvqYzfjLaMbEXrBXbp+CVjARXdwpfb5t4gjFphN3ist9mzoKJ6pA/zz7y6b4L+14hBA== |
| 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
| 2026-09-17T11:55:02.438616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021231observed feece58d4f706f278b92d912fde9594b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:02.420813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021231/manifest.jsonobserved c8094d59fc7f778e940f116e994e84c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:02.403438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021231/publication.mdobserved 5e8dccf2f5f9cb95d2833651143c9f6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:02.386972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021231/publication.txtobserved f4b7bee8c31120da284913dce7646b30...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. |
|---|