OT-2026-000021515
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000021515) never changes.
Identity and time
| Publication number | OT-2026-000021515 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7474-84c4-983b2e032ba7 · 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-2026-000021515 |
| Status | PUBLIC |
Content hashes
| Canonical text | 06913676bd457748be11f4ec94573709a8cee6079dcd0844cf97294cc1b903f4 |
|---|---|
| Markdown | 87572e198bc92408089c9735a370fc0e9804efc68482cb46f130e3afa4951716 |
| Publication page | bf80d0421ca2229131d3994a799ae8942adff0a549a76627c6e4723a3b39818a |
| Manifest | 75f286aa299dba9f8eb28e3111b6e8c4cdf789b15b956617865f277b1ebae779 |
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 | 61LSyMzH/sYQkz1Oysrhgfx/nvi1iNAe2muarvQc9ZkQD2GSv22hcEcG+R1hzlbm/gNw3zvIvbMkPfF+RkdXCg== |
| 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
| 2026-09-17T11:55:25.920089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021515observed bf80d0421ca2229131d3994a799ae894...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:25.901915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021515/manifest.jsonobserved 75f286aa299dba9f8eb28e3111b6e8c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.883912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021515/publication.mdobserved 87572e198bc92408089c9735a370fc0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.864934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021515/publication.txtobserved 06913676bd457748be11f4ec94573709...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. |
|---|