OT-2026-000021331
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000021331) never changes.
Identity and time
| Publication number | OT-2026-000021331 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7313-9419-ff61417b50cd · 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-2026-000021331 |
| Status | PUBLIC |
Content hashes
| Canonical text | e7e7cfb0eda9b4fd8f6d53c3021520e7250f0114f6bb3dcf4373fbb23454c39b |
|---|---|
| Markdown | 2ea9f4e9258926bc6f6cb9084a5e1127f16fcb98a6b7f9ca249b13499a86c1ab |
| Publication page | 4e0ff19c949c39b13e7d7b6aebb1d0b03ab502f10c59c8a70de3705b7dc76284 |
| Manifest | 3d00f0e85793e86f0dd8fc2025076e1e22bc675a7770997cd8aae29859128748 |
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 | +ZV0zoRJuxXy83GDlaE9u/F9ydBycx4jTtWp9Zh8C7ulfZf0xiUZLXX+M17F/aKedHHGsLn/q6Ha0oHjWKXcAg== |
| 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
| 2026-09-17T11:55:10.775654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021331observed 4e0ff19c949c39b13e7d7b6aebb1d0b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:10.755907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021331/manifest.jsonobserved 3d00f0e85793e86f0dd8fc2025076e1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:10.739724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021331/publication.mdobserved 2ea9f4e9258926bc6f6cb9084a5e1127...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:10.723049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021331/publication.txtobserved e7e7cfb0eda9b4fd8f6d53c3021520e7...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. |
|---|