OT-2026-000021425
Publication integrity record
Single cup vacuum gripper, two stage ejector, sustained 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-2026-000021425) never changes.
Identity and time
| Publication number | OT-2026-000021425 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7188-94f1-88563a24c150 · 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-2026-000021425 |
| Status | PUBLIC |
Content hashes
| Canonical text | 92ea2e627d673352465300f2bdf2146dcc66ee6caccb39f6ccb43a0bdbcb229f |
|---|---|
| Markdown | 1b9bc4cb1926ab9b624a3533bb213fd2c3c1b141b4cb648a9ce0e09fc659993d |
| Publication page | c8389002cd3e0e21ff3d3ff7c4595d364a38c116bc895cde74b535be97a3e1b6 |
| Manifest | 4b3816d229a1c6ea59e54a048260fc28c3f98729eaef89a80eb5cc60b7ab7a67 |
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 | 3Ex/6HgWkQs1s3uK/uO+V7vxnYcZyrZab25dymlGWrYdZLnQBUjiCSkhb6ZHLmU/aX2FPtQWoGDYtLAHxox0Dg== |
| 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
| 2026-09-17T11:55:19.628306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021425observed c8389002cd3e0e21ff3d3ff7c4595d36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:19.609627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021425/manifest.jsonobserved 4b3816d229a1c6ea59e54a048260fc28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:19.590691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021425/publication.mdobserved 1b9bc4cb1926ab9b624a3533bb213fd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:19.572973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021425/publication.txtobserved 92ea2e627d673352465300f2bdf2146d...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. |
|---|