OT-2026-000019571
Publication integrity record
Three cup vacuum gripper, three zone face, 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-2026-000019571) never changes.
Identity and time
| Publication number | OT-2026-000019571 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-7dc1-92b7-d9b06d455692 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019571 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3948a64b098565586579826459a0b1a29ae0c20bfced3fd80b1663a632486d69 |
|---|---|
| Markdown | 1845300c08b6afcdfe68fbbc1a50120fcea4e6628463196d04af6363b6453cee |
| Publication page | 49e373186a0faac34d7bea205da5545470ace9d0596b60992468226a16f4abbc |
| Manifest | e356018d17339346f27683f8ba70bfd41ae9124d947070765adf63bf5cec4bb8 |
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 | TwgagUBCOuLyv82hPhBTmS0uMhhxKV2IxWlu3IK5Jaa60yHSjcgROgw9RZ+ZJBxNF3B/yCEZkQ0LmFp3vdmADQ== |
| 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
| 2026-09-17T11:59:01.089822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019571observed 49e373186a0faac34d7bea205da55454...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:01.072753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019571/manifest.jsonobserved e356018d17339346f27683f8ba70bfd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:01.049889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019571/publication.mdobserved 1845300c08b6afcdfe68fbbc1a50120f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:01.033913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019571/publication.txtobserved 3948a64b098565586579826459a0b1a2...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. |
|---|