OT-2026-000020499
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000020499) never changes.
Identity and time
| Publication number | OT-2026-000020499 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-79cc-97d1-94e56bfb9843 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020499 |
| Status | PUBLIC |
Content hashes
| Canonical text | cbfc0d737045509b11fcd49c797a988f2bad061b79c86eb1d489baf9408bf3fe |
|---|---|
| Markdown | 758c1340b128631ca82efc52792fc8d3c641dff254d5416df4011a227701db8d |
| Publication page | 7437407acadb2a5f90e7fc3ed8b06c0fe85c65fb7f956e541a2b777b422fd353 |
| Manifest | 67095745942de2fdf1a2204a98947fbfdc0e9f0fec349abe9e057738c378e46a |
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 | 1o+0n3AEqjly+9nqpCLLZd+tFBP7PJ1OB2yP56Lp0+DyXlxn3fz9x12/GSVcFy9E12IjH2vM8GSqVZaqka03DA== |
| 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
| 2026-09-17T12:00:27.284478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020499observed 7437407acadb2a5f90e7fc3ed8b06c0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:27.263587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020499/manifest.jsonobserved 67095745942de2fdf1a2204a98947fbf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:27.244633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020499/publication.mdobserved 758c1340b128631ca82efc52792fc8d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:27.226037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020499/publication.txtobserved cbfc0d737045509b11fcd49c797a988f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:30.549754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020499observed 7437407acadb2a5f90e7fc3ed8b06c0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:30.529610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020499/manifest.jsonobserved 67095745942de2fdf1a2204a98947fbf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:30.512579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020499/publication.mdobserved 758c1340b128631ca82efc52792fc8d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:30.493526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020499/publication.txtobserved cbfc0d737045509b11fcd49c797a988f...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. |
|---|