OT-2026-000021300
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000021300) never changes.
Identity and time
| Publication number | OT-2026-000021300 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7576-a4b8-4c16aff341ab · 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-2026-000021300 |
| Status | PUBLIC |
Content hashes
| Canonical text | fbb63844c7182873cfe5f43d51be74df07e28d9a65e5bba15d41be4c386ee66c |
|---|---|
| Markdown | 40afc8781fa5e85ca7c9bea82ae1cad18dabf58e25070b3503aa9494055a2642 |
| Publication page | a1ded4a181ca2e1ac4c21b24dc95e7f448804faf96f4905498d1b6e25ef06c1b |
| Manifest | 31782904d3e5bfa833cf30d5ea7be5999edd5fe1b484af35590cbdbe538666f9 |
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 | HADveZmm8VkCqcdP95JoJQRxqsBY5JY/dbNcp8FjULkERfqykWQCNlQGS5+qxo/hXLiBZB6DXpwxc7m6Hz+oAw== |
| 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
| 2026-09-17T11:55:08.465386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021300observed a1ded4a181ca2e1ac4c21b24dc95e7f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:08.429543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021300/manifest.jsonobserved 31782904d3e5bfa833cf30d5ea7be599...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:08.387097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021300/publication.mdobserved 40afc8781fa5e85ca7c9bea82ae1cad1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:08.334571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021300/publication.txtobserved fbb63844c7182873cfe5f43d51be74df...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. |
|---|