OT-2026-000069515
Publication integrity record
Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000069515) never changes.
Identity and time
| Publication number | OT-2026-000069515 · never reused |
|---|---|
| Internal UUID | 01a0ae90-b52b-7481-b7ae-4ab5a6ebba0d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:51:54.310022Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000069515 |
| Status | PUBLIC |
Content hashes
| Canonical text | 177a973be24ad00b978787ff4c9a4be81ea0aa8bd1063d9be11a66d4dae1e657 |
|---|---|
| Markdown | 087282ce1f8af9a9fc0858dbcb11902962ff0d9302b3a3342570c528f890e9bc |
| Publication page | 7a3a9c7f4c42620ff450b350c53398c4144e74e4cd6684a5677ddc764f6aafc8 |
| Manifest | df053531c65e38fdcb8418687a2fe2dd926d71bf505cf87c87552b44bf1f047a |
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 | b8JntW8DvxF4fWJY28dMkEefyYgshWgUDCxJW6fjio115ylyG3PJtxohqkQu+8avjg4JhHtj2+fSZX4RGH3DDw== |
| 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
| 2026-10-07T12:41:04.132127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069515observed 7a3a9c7f4c42620ff450b350c53398c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T12:41:04.043994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069515/manifest.jsonobserved df053531c65e38fdcb8418687a2fe2dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:03.930584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069515/publication.mdobserved 087282ce1f8af9a9fc0858dbcb119029...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:03.806888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069515/publication.txtobserved 177a973be24ad00b978787ff4c9a4be8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:16.204197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069515observed 7a3a9c7f4c42620ff450b350c53398c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:16.114709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069515/manifest.jsonobserved df053531c65e38fdcb8418687a2fe2dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:15.958047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069515/publication.mdobserved 087282ce1f8af9a9fc0858dbcb119029...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:15.632316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069515/publication.txtobserved 177a973be24ad00b978787ff4c9a4be8...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 |
|---|