OT-2026-000017500
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000017500) never changes.
Identity and time
| Publication number | OT-2026-000017500 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-76ca-7479-a533-0e2d39474746 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:30.105855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017500 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2a9532e58cf9cd249c1d3ef908d7f87693de671b21e453ee1333c43fa02b0aaf |
|---|---|
| Markdown | 247858da0930e071b760d79d1024324438447b0c72acf132c0bb7d9ceaf81de9 |
| Publication page | cc2259ff0407c3f58550aa02f9f31eb258adfd21e6b2971622f798bb4df2441a |
| Manifest | f6f3adb7ec54ad890beb2a5cf104713252949500c6b06c4690981182c740cc8d |
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 | pdVcYSsHG9hAFBPorDOvrmY1Aysr2F7OZvbyPPaLsQKXWeUQwVLm1A4dOBUlyIOqOBvTlwpyTfHsU8DP+rrICA== |
| 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
| 2026-10-20T04:41:32.543439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017500observed cc2259ff0407c3f58550aa02f9f31eb2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T04:41:32.492803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017500/manifest.jsonobserved f6f3adb7ec54ad890beb2a5cf1047132...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:32.436519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017500/publication.mdobserved 247858da0930e071b760d79d10243244...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:32.384498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017500/publication.txtobserved 2a9532e58cf9cd249c1d3ef908d7f876...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:36.371764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017500observed cc2259ff0407c3f58550aa02f9f31eb2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:36.276776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017500/manifest.jsonobserved f6f3adb7ec54ad890beb2a5cf1047132...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:36.179755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017500/publication.mdobserved 247858da0930e071b760d79d10243244...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:36.018872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017500/publication.txtobserved 2a9532e58cf9cd249c1d3ef908d7f876...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 |
|---|