OT-2026-000080751
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, pump fed, sustained 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-2026-000080751) never changes.
Identity and time
| Publication number | OT-2026-000080751 · never reused |
|---|---|
| Internal UUID | 01a0ae96-b973-7106-b7ae-27d7afc6f8e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:28.739380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000080751 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c4dd241edf99155dc8729eb81dd864bc93691c66f971176fc6c98fbb0d14135 |
|---|---|
| Markdown | 55470bb6df073f1f8785d8852701014886832a147d65f4bb6d1b61f05371cbab |
| Publication page | c9d5788967fa323307ecb3bb7a3eecd61915a9d8fd05f0fe64f96b4da5759542 |
| Manifest | 2067fea90723d94a5adbdb7301121fd669d0476c13c5d439e7a853a4a7990bd4 |
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 | XgK3+/QLeT67butkO7bUGZSJiq0cNrrum186p5xi3mdYxIl3K7MSQqIkgMbXqpFhuVocl9XfEJTeujbbDTrIAg== |
| 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... |
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Independent retrieval
| 2026-10-03T00:41:40.635192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080751observed c9d5788967fa323307ecb3bb7a3eecd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T00:41:40.511073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080751/manifest.jsonobserved 2067fea90723d94a5adbdb7301121fd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:40.383057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080751/publication.mdobserved 55470bb6df073f1f8785d88527010148...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:40.252745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080751/publication.txtobserved 5c4dd241edf99155dc8729eb81dd864b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:31.930876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080751observed c9d5788967fa323307ecb3bb7a3eecd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:31.857045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080751/manifest.jsonobserved 2067fea90723d94a5adbdb7301121fd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:31.758376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080751/publication.mdobserved 55470bb6df073f1f8785d88527010148...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:31.601833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080751/publication.txtobserved 5c4dd241edf99155dc8729eb81dd864b...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 |
|---|