OT-2026-000071810
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000071810) never changes.
Identity and time
| Publication number | OT-2026-000071810 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e92-7a18-b97d-69f7d8beb814 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071810 |
| Status | PUBLIC |
Content hashes
| Canonical text | e88fb341b20bd6a86a1695ba23ed8ec88c8281dbe362d30f292c83f173696bde |
|---|---|
| Markdown | 459497c72cf23d63c50dc3d992afff53efc9d8e75b7eea9a509b198dddbb323d |
| Publication page | b0d914c2d336df816f834532ba482d5063039824e0923bfb3b5c361a72015bdb |
| Manifest | bdb7c4e415ee330e92d988902d833ffa8d05b2237a41676a46004e5f7e004480 |
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 | GWixW6WP6zeCxfM+Z0+ZFEJsA6j5kPqw+iyzbPTzYeOP7nOfsggyOAR7TTjDn6e4bEvFmj5WyjfoMMex62nGAw== |
| 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
| 2026-10-13T16:41:44.014441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071810observed b0d914c2d336df816f834532ba482d50...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T16:41:43.942180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071810/manifest.jsonobserved bdb7c4e415ee330e92d988902d833ffa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:41:43.863325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071810/publication.mdobserved 459497c72cf23d63c50dc3d992afff53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:41:43.740301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071810/publication.txtobserved e88fb341b20bd6a86a1695ba23ed8ec8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:10.178902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071810observed b0d914c2d336df816f834532ba482d50...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:10.128973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071810/manifest.jsonobserved bdb7c4e415ee330e92d988902d833ffa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:10.017989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071810/publication.mdobserved 459497c72cf23d63c50dc3d992afff53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:09.938621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071810/publication.txtobserved e88fb341b20bd6a86a1695ba23ed8ec8...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 |
|---|