OT-2026-000019319
Publication integrity record
Two cup vacuum gripper, two zone face, three stage ejector, 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-2026-000019319) never changes.
Identity and time
| Publication number | OT-2026-000019319 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f392-74ef-868d-2e264465792d · 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-2026-000019319 |
| Status | PUBLIC |
Content hashes
| Canonical text | d0210b5e427ef9ea2c697576a83ad7b01cf8787ab6c25a0b73b300f6020cad6c |
|---|---|
| Markdown | 6bc4e9c81ddc6b0ebc9f4b38a2906f779f62fa5cad9cb6b00cfb15844e47b192 |
| Publication page | 87df1e3a959e5a577c4e1bed5e918b040bf585e6fc305c13097030f03fcc50ac |
| Manifest | e569ff0d709dbba38a07b42eabd409ff2b53f49b93e6fb9165badb80fe3adbec |
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 | NqPrP+5So8/MoMmKZ3usCaiFofrXa6knHPZaLtUXr4vAmCsUEpsuKS4WFUAroRHHhmKZ6a8F500wHPPwHB9CAg== |
| 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... |
|---|
Independent retrieval
| 2026-10-21T20:41:13.513731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019319observed 87df1e3a959e5a577c4e1bed5e918b04...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T20:41:13.447687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019319/manifest.jsonobserved e569ff0d709dbba38a07b42eabd409ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T20:41:13.346483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019319/publication.mdobserved 6bc4e9c81ddc6b0ebc9f4b38a2906f77...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T20:41:13.244913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019319/publication.txtobserved d0210b5e427ef9ea2c697576a83ad7b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:19.610656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019319observed 87df1e3a959e5a577c4e1bed5e918b04...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:19.559808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019319/manifest.jsonobserved e569ff0d709dbba38a07b42eabd409ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:19.473876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019319/publication.mdobserved 6bc4e9c81ddc6b0ebc9f4b38a2906f77...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:19.372634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019319/publication.txtobserved d0210b5e427ef9ea2c697576a83ad7b0...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 |
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