OT-2026-000090542
Publication integrity record
Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000090542) never changes.
Identity and time
| Publication number | OT-2026-000090542 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-7fe8-8aa2-cbef3ba0de9c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090542 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c2b74c388afcc752c2501a0a59cef366de634a9980ddf31df5abe698aed7000 |
|---|---|
| Markdown | 68841360d13c83f9690be5c165ad08adc8b913a8e0e17a8deeff020196a8d9dd |
| Publication page | 187a1711040d04508a977b5d10554cfc2c9dc6fcd2fcd54881a1981e4e12a45b |
| Manifest | b2e138642e2d27fe22b07f4e9ca29fb30bd5f1dae81ba7db32a274a7932b709e |
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 | QfXZ9tyE2Pk1R4vnMylLnQB7s+iKk6UKIF+9hj0J5ZfwP9ekco4wICNVM/yGafLHt7zdVw/kfD++nYvdVQa0Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:42.882012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090542observed 187a1711040d04508a977b5d10554cfc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:42.863185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090542/manifest.jsonobserved b2e138642e2d27fe22b07f4e9ca29fb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:42.845214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090542/publication.mdobserved 68841360d13c83f9690be5c165ad08ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:42.828114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090542/publication.txtobserved 5c2b74c388afcc752c2501a0a59cef36...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. |
|---|