OT-2026-000005901
Publication integrity record
Bellows cup vacuum gripper, four zone face, ejector fed, contact triggered on the face
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-2026-000005901) never changes.
Identity and time
| Publication number | OT-2026-000005901 · never reused |
|---|---|
| Internal UUID | 01a0a948-a01f-76ea-8f4a-98612c5815fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:15:04.226045Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005901 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7e19294ea4f5200bba14c32afb4377860ec28ec635fc55651e3ac8edf4c5bcb4 |
|---|---|
| Markdown | b907537dd8daff47cc7fbc4cad6ef128033106e53945bcf8e0dd222070ba9597 |
| Publication page | 39bce877c2015ecae90f20e4b96bc85842ab11bdf89c3a7dc5cf434eac038c86 |
| Manifest | 47852b4cc9c65a8ff582b57a2ed539749fd6a5401b4b371442cd8eaa82f877aa |
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 | +RESBv9X++ud55N13ZwoU4XZ1s3EH/yfYxzZnixsV1DSSfVPZaNpwyMu+GRv+tOyNtj0V0TOEaftnsHx+fseCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-10-29T04:41:23.918681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005901observed 39bce877c2015ecae90f20e4b96bc858...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T04:41:23.857846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005901/manifest.jsonobserved 47852b4cc9c65a8ff582b57a2ed53974...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:23.766572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005901/publication.mdobserved b907537dd8daff47cc7fbc4cad6ef128...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:23.581097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005901/publication.txtobserved 7e19294ea4f5200bba14c32afb437786...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T08:41:43.752459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005901observed 39bce877c2015ecae90f20e4b96bc858...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T08:41:43.703265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005901/manifest.jsonobserved 47852b4cc9c65a8ff582b57a2ed53974...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T08:41:43.641156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005901/publication.mdobserved b907537dd8daff47cc7fbc4cad6ef128...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T08:41:43.435076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005901/publication.txtobserved 7e19294ea4f5200bba14c32afb437786...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 |
|---|