OT-2026-000051508
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000051508) never changes.
Identity and time
| Publication number | OT-2026-000051508 · never reused |
|---|---|
| Internal UUID | 01a0ae83-7c80-751f-828e-0003e6a1143a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:27.829082Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000051508 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3e760c2d6335af5328c30bdd1ed5ee79c3f3fcc3a331bd130753bdf00380d099 |
|---|---|
| Markdown | 14391e771f807f10b0efb3dd8543b9f8221b17a1553cfd7c266847fdcc210b8c |
| Publication page | c1d30c23b8c3233fefb5cdf082f3c6beeb2ae7cc2e72fc0d75041579cd6e9e82 |
| Manifest | c521ebdd3d5474bfd8869a2050c1edb9b8f0e10905cb071a24a62d648859c7e7 |
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 | DEUuBpzr6CXtgS+uXB9Caj8wmAl6LS40Xy9uCSYjqMdfER+K/+vo4zu+Ydn5PO0D+uywhrvSH6GF28SQHJveAQ== |
| 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
| 2026-10-13T12:41:43.338722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051508observed c1d30c23b8c3233fefb5cdf082f3c6be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T12:41:43.284145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051508/manifest.jsonobserved c521ebdd3d5474bfd8869a2050c1edb9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T12:41:43.171348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051508/publication.mdobserved 14391e771f807f10b0efb3dd8543b9f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T12:41:42.974560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051508/publication.txtobserved 3e760c2d6335af5328c30bdd1ed5ee79...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:21.757490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051508observed c1d30c23b8c3233fefb5cdf082f3c6be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:21.690144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051508/manifest.jsonobserved c521ebdd3d5474bfd8869a2050c1edb9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:21.593393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051508/publication.mdobserved 14391e771f807f10b0efb3dd8543b9f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:21.473090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051508/publication.txtobserved 3e760c2d6335af5328c30bdd1ed5ee79...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 |
|---|