OT-2026-000019531
Publication integrity record
Foam pad vacuum gripper, three zone face, single 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-2026-000019531) never changes.
Identity and time
| Publication number | OT-2026-000019531 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-7042-a71e-41c10034eadf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019531 |
| Status | PUBLIC |
Content hashes
| Canonical text | 82774436993f598c96fd88bcd2dcc38c34ac35a4f0119fce7c93a587adaf9891 |
|---|---|
| Markdown | 72f0da15f858dd7c526d15eed72bbcbc820c3adeda66cdfa0a376259c3b9180e |
| Publication page | 3b4e32b8a5e37189b03c1d055303c3e9627c1406074a121eb117d514a591c0e2 |
| Manifest | d7a67a88ab13738dddf5bf2aca3c1184ef8d1ecaa09c722213ae49e914449a0b |
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 | OONqQIn9vJJbYF6RrQFw9/rh9GYFBtIW5/CQvWKfQKeGug6ZImr2qIfCxmUkRquJkGqNwuh8g1zLctAwAZtQAg== |
| 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
| 2026-09-17T11:58:58.173802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019531observed 3b4e32b8a5e37189b03c1d055303c3e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:58.155660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019531/manifest.jsonobserved d7a67a88ab13738dddf5bf2aca3c1184...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:58.136010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019531/publication.mdobserved 72f0da15f858dd7c526d15eed72bbcbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:58.119682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019531/publication.txtobserved 82774436993f598c96fd88bcd2dcc38c...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. |
|---|