OT-2026-000019688
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000019688) never changes.
Identity and time
| Publication number | OT-2026-000019688 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb3-7803-adde-9f18c427909d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019688 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5213ea6585571ab8b9d77a26d213e4c704518e2de5ab16c967285c3f2b3cc0ad |
|---|---|
| Markdown | 8543b42736bdbcd39541abbf7ec408a27d7ce48c7b1734b40f44345bbfdf0761 |
| Publication page | 37c67174f2495c1019a20cf9ca6c41efc9e859bea3ad662a22dc1d5732016182 |
| Manifest | aab096df24159e91bdb37d71ea1277688997b679fde66dfb471b3d94210fa582 |
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 | nq1lvhA6vixe8xtbTfQsW6/bdaj2a8i3YwRbfkIzz6t3n+RITGhBlHh/ojhholVdXeWl39xI+IZZLn+Ten/uAA== |
| 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... |
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Independent retrieval
| 2026-10-19T08:41:29.500701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019688observed 37c67174f2495c1019a20cf9ca6c41ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T08:41:29.429856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019688/manifest.jsonobserved aab096df24159e91bdb37d71ea127768...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T08:41:29.343114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019688/publication.mdobserved 8543b42736bdbcd39541abbf7ec408a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T08:41:29.243502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019688/publication.txtobserved 5213ea6585571ab8b9d77a26d213e4c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:39.820713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019688observed 37c67174f2495c1019a20cf9ca6c41ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:39.759099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019688/manifest.jsonobserved aab096df24159e91bdb37d71ea127768...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:39.688719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019688/publication.mdobserved 8543b42736bdbcd39541abbf7ec408a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:39.551563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019688/publication.txtobserved 5213ea6585571ab8b9d77a26d213e4c7...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 |
|---|