OT-2026-000021539
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000021539) never changes.
Identity and time
| Publication number | OT-2026-000021539 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7562-8f4d-58b8a5c5406a · 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-2026-000021539 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5af5fb63ee9ef96bd96d295acaecd2757812df8989d360ad58b2a0ef0a606bb |
|---|---|
| Markdown | 887697e58ca62e3d83f4d5282d5b618475b27a34f2207d3220aca759175d0f91 |
| Publication page | 867dcb349ff66066df28df48145a8db266012277c3d3a813d5947114b3d05e49 |
| Manifest | 6407ad6633942ed9a5a038e5e67450a0987cc262728a10fceae89be05d846420 |
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 | BdVPePQFTHw/SBYgyeg2fZRa1vdyNhOzcZGVRlMDSTmOzb4Vt6UbSD6zsSdShJPo9J8BO49Cxa5SccbDAL6KAg== |
| 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
| 2026-09-17T11:55:27.579660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021539observed 867dcb349ff66066df28df48145a8db2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:27.560529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021539/manifest.jsonobserved 6407ad6633942ed9a5a038e5e67450a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:27.540339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021539/publication.mdobserved 887697e58ca62e3d83f4d5282d5b6184...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:27.519849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021539/publication.txtobserved f5af5fb63ee9ef96bd96d295acaecd27...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. |
|---|