OT-2026-000076553
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076553) never changes.
Identity and time
| Publication number | OT-2026-000076553 · never reused |
|---|---|
| Internal UUID | 01a0ae94-b06d-7dbb-aad5-59612bbb876f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:15.236414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076553 |
| Status | PUBLIC |
Content hashes
| Canonical text | 462daa64f9d43c6550affc46617eb402c8bf846f825309ee8cde54a72073ca0d |
|---|---|
| Markdown | 1ca76f1559bea7e0ec7318366c301e197cf895611e6c93c67217fcc2a62586a8 |
| Publication page | 4062d9a26f9838bb621c253467cbe8c074b03ed8be28f21f0c49225a343e3ecd |
| Manifest | 998143ab0dc0711274ff13ede2b2e71c0e05fb74777ad7104864c513f7018e29 |
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 | 2HBt7PEozKdViZmjkjIlSkpsAHq/OkUrSxNG/z/rFdHwwkFU+Gh5VUU/j/zAKTQ8M5TsbG5wyjSNzXo+iYgSAQ== |
| 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
| 2026-10-23T16:41:07.734130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076553observed 4062d9a26f9838bb621c253467cbe8c0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T16:41:07.622089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076553/manifest.jsonobserved 998143ab0dc0711274ff13ede2b2e71c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:41:07.508683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076553/publication.mdobserved 1ca76f1559bea7e0ec7318366c301e19...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:41:07.264406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076553/publication.txtobserved 462daa64f9d43c6550affc46617eb402...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:42:04.747706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076553observed 4062d9a26f9838bb621c253467cbe8c0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:42:04.595320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076553/manifest.jsonobserved 998143ab0dc0711274ff13ede2b2e71c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:42:04.474549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076553/publication.mdobserved 1ca76f1559bea7e0ec7318366c301e19...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:42:04.231457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076553/publication.txtobserved 462daa64f9d43c6550affc46617eb402...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|