OT-2026-000019639
Publication integrity record
Three cup vacuum gripper, three zone face, two 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-2026-000019639) never changes.
Identity and time
| Publication number | OT-2026-000019639 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb3-7caa-85b3-fb5aa152d3ae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019639 |
| Status | PUBLIC |
Content hashes
| Canonical text | 215fa00091adb3ed9fadd2a48befd711cd072ae3b96b9b75afe154102f997d60 |
|---|---|
| Markdown | 1382d25bd5bd6c79b47d248a626e9b1c88a254b572a6c41db2504b27798fc370 |
| Publication page | aa34debb7673351457cd1ac0dc63afc7832ccd72a345949487f7185c39478528 |
| Manifest | de7c9c1ea8e478b619c23c1466c36763fa15596e184ef6cf0278eb48c922e836 |
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 | uZ6/kXxMS4EjgZnGPAfaXUrFzi4570Yjln5jqnIxjfGYHZCclpdA30h8fkMDngzqXxI5meBKUwsluf3bNcQYDQ== |
| 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
| 2026-09-17T11:57:41.957685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019639observed aa34debb7673351457cd1ac0dc63afc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:41.939582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019639/manifest.jsonobserved de7c9c1ea8e478b619c23c1466c36763...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:41.922422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019639/publication.mdobserved 1382d25bd5bd6c79b47d248a626e9b1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:41.903325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019639/publication.txtobserved 215fa00091adb3ed9fadd2a48befd711...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. |
|---|