OT-2026-000013020
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000013020) never changes.
Identity and time
| Publication number | OT-2026-000013020 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5564-70ae-9d5a-c8c4bf1bcea1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013020 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9de2dcfabd8e0570715c67c20a574154794175c2f3cddd6b274a861ecd0c5377 |
|---|---|
| Markdown | 3a84b7f236e9ebd680b5b9ed9f82fe4dce6793f9bb9035717ba123efb828ba5b |
| Publication page | 4fe693f7dca18a214b8adde43cbeb4adc0014100051786e4efbfe98a1a129966 |
| Manifest | ea71cfeed8cbbff201e5755513252fe80a61a8cca99d08ba78fe032ecedcc408 |
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 | gun6XBvaM0gpiCXryJWsma9oKz2r903P/LdtWLyrpdN4C4pjI2I0NBqRBQwcl+3TUEaccQW5fEeJeBeDTsLXDA== |
| 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
| 2026-09-27T20:41:54.602937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013020observed 4fe693f7dca18a214b8adde43cbeb4ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-27T20:41:54.467549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013020/manifest.jsonobserved ea71cfeed8cbbff201e5755513252fe8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:41:54.309264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013020/publication.mdobserved 3a84b7f236e9ebd680b5b9ed9f82fe4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:41:54.169867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013020/publication.txtobserved 9de2dcfabd8e0570715c67c20a574154...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:13.713202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013020observed 4fe693f7dca18a214b8adde43cbeb4ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:13.699958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013020/manifest.jsonobserved ea71cfeed8cbbff201e5755513252fe8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:13.680637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013020/publication.mdobserved 3a84b7f236e9ebd680b5b9ed9f82fe4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:13.655120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013020/publication.txtobserved 9de2dcfabd8e0570715c67c20a574154...fetched by instance-3.rotem.ai from 34.69.0.72, 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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