OT-2026-000041356
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed 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-2026-000041356) never changes.
Identity and time
| Publication number | OT-2026-000041356 · never reused |
|---|---|
| Internal UUID | 01a0ae79-b144-78cc-8dea-5b0a8f71a66f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:45.980839Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041356 |
| Status | PUBLIC |
Content hashes
| Canonical text | d40c8ae2417cab5e9b4db67837b84515732e8a5d57943c63a9a0d31416a52ae2 |
|---|---|
| Markdown | a1eec77b39622939c8aa01ad7b317628685608311826d73d533ffd8700fafec5 |
| Publication page | e830d9232ed8ca3d8a82db0f86f33c347fb5743162bf6080807bc3ab8f1b1683 |
| Manifest | 8d6647cc759a3fadf96c96dedb01aa0a4dbe2fa5dcbc13411394d9019df36c00 |
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 | Z1EupJHrFJKc0JCadfL6M+Hcv7YBB1sexVRSJTCf1JGefZwe44Ch5Ps5XPfSUVuHNSgEQmLWYmT/NyM0YWgYDA== |
| 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... |
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Independent retrieval
| 2026-10-31T08:41:38.991420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041356observed e830d9232ed8ca3d8a82db0f86f33c34...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:41:38.906011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041356/manifest.jsonobserved 8d6647cc759a3fadf96c96dedb01aa0a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:38.749660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041356/publication.mdobserved a1eec77b39622939c8aa01ad7b317628...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:38.651663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041356/publication.txtobserved d40c8ae2417cab5e9b4db67837b84515...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:10.935460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041356observed e830d9232ed8ca3d8a82db0f86f33c34...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:10.888176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041356/manifest.jsonobserved 8d6647cc759a3fadf96c96dedb01aa0a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:10.837827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041356/publication.mdobserved a1eec77b39622939c8aa01ad7b317628...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:10.758758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041356/publication.txtobserved d40c8ae2417cab5e9b4db67837b84515...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 |
|---|