OT-2026-000042842
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000042842) never changes.
Identity and time
| Publication number | OT-2026-000042842 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-764a-8273-d4b7e2ae5ab5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042842 |
| Status | PUBLIC |
Content hashes
| Canonical text | cb26e990748816d8bcb3a5fbbd389a061a998c440c3cbfbfce1d47bbed926481 |
|---|---|
| Markdown | c39169e47d666c1a5a15e78e7fed465f2deaf14f4a5c4d740eadb47ec95d5392 |
| Publication page | f42c3eece6b574cfe8c269bf70d29a736dd237027f93513d7f41abc92a519439 |
| Manifest | ed5de2cf1f84701861bfdffa15bd9de4b74f53cc7a6db2613b904a4df2af569a |
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 | jm+xUduKr9ydt8kSniFBFT9cej7KeD8IhoDTdA/a4Z1SfFtFlRtxnQcmg1Q+NQnsXCZ30qa7tTOWfhbh4vupCg== |
| 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
| 2026-10-14T20:41:55.801833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042842observed f42c3eece6b574cfe8c269bf70d29a73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T20:41:55.724151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042842/manifest.jsonobserved ed5de2cf1f84701861bfdffa15bd9de4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:41:55.631323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042842/publication.mdobserved c39169e47d666c1a5a15e78e7fed465f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:41:55.459368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042842/publication.txtobserved cb26e990748816d8bcb3a5fbbd389a06...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:36.041966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042842observed f42c3eece6b574cfe8c269bf70d29a73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:35.989570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042842/manifest.jsonobserved ed5de2cf1f84701861bfdffa15bd9de4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:35.935038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042842/publication.mdobserved c39169e47d666c1a5a15e78e7fed465f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:35.875609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042842/publication.txtobserved cb26e990748816d8bcb3a5fbbd389a06...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 |
|---|