OT-2026-000034257
Publication integrity record
Single cup vacuum gripper, pump fed, supply line 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-2026-000034257) never changes.
Identity and time
| Publication number | OT-2026-000034257 · never reused |
|---|---|
| Internal UUID | 01a0ae75-df0d-7df5-be10-294c390085d0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:35.550760Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000034257 |
| Status | PUBLIC |
Content hashes
| Canonical text | 94e54cc71a04bae4a5a5daaf0be5840db33f1ea31481a79e05afc4f3d78e284a |
|---|---|
| Markdown | 8490edd2fb36de60884132305cdad59bb48e4eb263328db3fed943a6f9e97ca0 |
| Publication page | c62cf7fedf743e51b8d51c472d9b9f08decb07d49bd04c10e7e1eda7c16d0137 |
| Manifest | b5d68d599ef074f9e79035797ca79e6303f39bb4eaa6b711a30684de9d4fd6a7 |
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 | +RchI+wcjTi6h67NzwCPFV+kzjn0z2Bv0Ya3yC2J6bHpIna6n/sYhU75wEbL+gdtuAytWWc/ER0Yt3tgEQIABQ== |
| 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
| 2026-09-30T08:41:35.637301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034257observed c62cf7fedf743e51b8d51c472d9b9f08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T08:41:35.493992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034257/manifest.jsonobserved b5d68d599ef074f9e79035797ca79e63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:35.395273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034257/publication.mdobserved 8490edd2fb36de60884132305cdad59b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:35.292716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034257/publication.txtobserved 94e54cc71a04bae4a5a5daaf0be5840d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:37.144667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034257observed c62cf7fedf743e51b8d51c472d9b9f08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:37.093282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034257/manifest.jsonobserved b5d68d599ef074f9e79035797ca79e63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:37.039577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034257/publication.mdobserved 8490edd2fb36de60884132305cdad59b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:36.987269Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034257/publication.txtobserved 94e54cc71a04bae4a5a5daaf0be5840d...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 |
|---|