OT-2026-000079440
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after 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-2026-000079440) never changes.
Identity and time
| Publication number | OT-2026-000079440 · never reused |
|---|---|
| Internal UUID | 01a0ae96-0b91-73d3-a037-c8b2cf4506c8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:44.101434Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000079440 |
| Status | PUBLIC |
Content hashes
| Canonical text | c49303053ca4fc26bfb2502c8a1daf81b6b180ee79e833740e924e13b25e3c26 |
|---|---|
| Markdown | 5c8ca1fa0871f90b8abc415f2897c274e9202acd1d56ee01941df012b810c46b |
| Publication page | 212cc1dac95de260f612419fa093a0ee4680fb774917d84ab0e3de6b9085cbc2 |
| Manifest | efe2b61e596dd3c2318cb79a01bbca925f99fa7cf082ab474daf9d6bf4aa8afe |
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 | fdfF1KyZ90L+yzBRvsBLXKPlVvAo1RyZwW7ho7GyR7ZHFxrHvLPBia+AsouWVuS7S79DCNJDLaJUJp5rO39uAw== |
| 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
| 2026-10-27T12:41:02.498100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079440observed 212cc1dac95de260f612419fa093a0ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T12:41:02.410826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079440/manifest.jsonobserved efe2b61e596dd3c2318cb79a01bbca92...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T12:41:02.336606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079440/publication.mdobserved 5c8ca1fa0871f90b8abc415f2897c274...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T12:41:02.258716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079440/publication.txtobserved c49303053ca4fc26bfb2502c8a1daf81...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:25.483199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079440observed 212cc1dac95de260f612419fa093a0ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:25.431510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079440/manifest.jsonobserved efe2b61e596dd3c2318cb79a01bbca92...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:25.365902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079440/publication.mdobserved 5c8ca1fa0871f90b8abc415f2897c274...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:25.249452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079440/publication.txtobserved c49303053ca4fc26bfb2502c8a1daf81...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 |
|---|