OT-2026-000074256
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074256) never changes.
Identity and time
| Publication number | OT-2026-000074256 · never reused |
|---|---|
| Internal UUID | 01a0ae93-7178-767d-a917-e64cd3180a8b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074256 |
| Status | PUBLIC |
Content hashes
| Canonical text | 533e33001cb6105322928162d6dc88ce08c8646ed968a6c467fa584cd5bfc127 |
|---|---|
| Markdown | 022ba967d7c9a48f1bf88818cb8cabedb13a450e592749f9aeae4a3eb3d14ea6 |
| Publication page | de3fe116bbc3361ea6c7e721d997905f919542bbc9071978a8b7678bfc99cd02 |
| Manifest | dc9c12005eb01c78f67a3007b61ff7c323d485e0cbb40680e29f6b1ef2272422 |
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 | Fm4dRLNnOU+lLLUv//FSP+W/ZslwmH5ZWEsOB8/WtOyepPgn3h0f15BsV98tPyG8thz6h/xbAq2c4oYia0/bDA== |
| 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... |
|---|
Independent retrieval
| 2026-10-09T20:42:14.355190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074256observed de3fe116bbc3361ea6c7e721d997905f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T20:42:14.235307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074256/manifest.jsonobserved dc9c12005eb01c78f67a3007b61ff7c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T20:42:14.146653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074256/publication.mdobserved 022ba967d7c9a48f1bf88818cb8cabed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T20:42:14.047490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074256/publication.txtobserved 533e33001cb6105322928162d6dc88ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:56.600088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074256observed de3fe116bbc3361ea6c7e721d997905f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:56.471940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074256/manifest.jsonobserved dc9c12005eb01c78f67a3007b61ff7c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:56.375759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074256/publication.mdobserved 022ba967d7c9a48f1bf88818cb8cabed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:56.238294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074256/publication.txtobserved 533e33001cb6105322928162d6dc88ce...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 |
|---|