OT-2026-000007520
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down
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-2026-000007520) never changes.
Identity and time
| Publication number | OT-2026-000007520 · never reused |
|---|---|
| Internal UUID | 01a0ae62-4df5-75b4-8707-cdd4a58e637c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:01:13.261569Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6fcf0035b580beb16420a13fa0963d3c2be3ae2d9c6496963ffdae772f165819 |
|---|---|
| Markdown | 5509ba2487e941643e6347a5ba6545223c13d7db820d1029951e4ea4899bbb8f |
| Publication page | 778339af7f0abb5a06c79ab2ebf8d1aff8d8f7418ad3b1dd0e9d6943cb2f13f4 |
| Manifest | 0fd1a82aa2709e7869b42cbbba7f40815c5d73c14621789e041eb0a788623c12 |
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 | SXzZ+FNNKIvmEkP67iMJqGBINH1BY3hzUxKypmTkwZUIrqVBJgWwFvktEz72rF7QMAlU9IQ2WiiLp8LH9xH7Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:07:02Z batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof root 8d90bf9341d96baa4328c218b6f85281... |
|---|
Independent retrieval
| 2026-11-01T00:42:06.785635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007520observed 778339af7f0abb5a06c79ab2ebf8d1af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T00:42:06.688835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007520/manifest.jsonobserved 0fd1a82aa2709e7869b42cbbba7f4081...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:42:06.604308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007520/publication.mdobserved 5509ba2487e941643e6347a5ba654522...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:42:06.411075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007520/publication.txtobserved 6fcf0035b580beb16420a13fa0963d3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:43:38.809704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007520observed 778339af7f0abb5a06c79ab2ebf8d1af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:43:38.543337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007520/manifest.jsonobserved 0fd1a82aa2709e7869b42cbbba7f4081...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:43:38.219953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007520/publication.mdobserved 5509ba2487e941643e6347a5ba654522...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:43:37.897156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007520/publication.txtobserved 6fcf0035b580beb16420a13fa0963d3c...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 |
|---|