OT-2026-000019415
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000019415) never changes.
Identity and time
| Publication number | OT-2026-000019415 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-70a0-9024-1ce37990ad79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019415 |
| Status | PUBLIC |
Content hashes
| Canonical text | c23dc04331aa2a074d4f0703e2eb4e0207d2862b0563188aa4d95de9efff0884 |
|---|---|
| Markdown | 453459f3d52bf1bae84c017acd29a8c8f2e6f858af2c046da962412a455d7258 |
| Publication page | 43638dfef1fb5a03afda0462297c43439f0020a478b57c60daab6ba078f0bcce |
| Manifest | 052c9fc344e64e60290cb084dc867a98afb96edc0774e07dc11ce850f576642f |
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 | AD0luUYiBSxOX0gXjC2JJgHhkxEnoRr/s9Q8nkorJaoqLRGpZw/mPJIlk4HkHNKtwyD1UWEFmITuP+kEEQbvBg== |
| 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
| 2026-10-28T00:41:12.877093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019415observed 43638dfef1fb5a03afda0462297c4343...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T00:41:12.808280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019415/manifest.jsonobserved 052c9fc344e64e60290cb084dc867a98...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:12.727585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019415/publication.mdobserved 453459f3d52bf1bae84c017acd29a8c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:12.593327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019415/publication.txtobserved c23dc04331aa2a074d4f0703e2eb4e02...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:24.756986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019415observed 43638dfef1fb5a03afda0462297c4343...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:24.702442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019415/manifest.jsonobserved 052c9fc344e64e60290cb084dc867a98...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:24.616707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019415/publication.mdobserved 453459f3d52bf1bae84c017acd29a8c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:24.558633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019415/publication.txtobserved c23dc04331aa2a074d4f0703e2eb4e02...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 |
|---|