OT-2026-000012139
Publication integrity record
Three bellows cup vacuum gripper, three zone face, two stage ejector, pulsed blow-off 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-2026-000012139) never changes.
Identity and time
| Publication number | OT-2026-000012139 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f4-7ce4-bf1b-a0e5003c163e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012139 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87d9ee7596b43df116af0dde826de23a5f50059c13e1d1be1d50d55dc72bd2b9 |
|---|---|
| Markdown | b669b991a578cbcce5eda11d8c1d5eb76d5c93784f9ad19aeb3b94c9eede1164 |
| Publication page | b9b9f119126c60ee0bbfb689742d9a6171b6aec0da468c6d491d186eeb7d3d63 |
| Manifest | b8c43a9e19f85e33e18a109cbe971168dbffa1231167ded7e0c4d6eb25fa97a7 |
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 | jfjVBX0b8CtLyHEfEYDa/3N/9w6hY1J6OKawh0d9SInpquGkY6lHxjW6zZ7CD4ndwLB4ImXwo1Oz6Vp1b67UCg== |
| 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
| 2026-10-17T00:41:24.241400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012139observed b9b9f119126c60ee0bbfb689742d9a61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T00:41:24.190484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012139/manifest.jsonobserved b8c43a9e19f85e33e18a109cbe971168...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:24.122600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012139/publication.mdobserved b669b991a578cbcce5eda11d8c1d5eb7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:24.023632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012139/publication.txtobserved 87d9ee7596b43df116af0dde826de23a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:58.259740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012139observed b9b9f119126c60ee0bbfb689742d9a61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:58.177792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012139/manifest.jsonobserved b8c43a9e19f85e33e18a109cbe971168...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:58.126486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012139/publication.mdobserved b669b991a578cbcce5eda11d8c1d5eb7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:58.046308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012139/publication.txtobserved 87d9ee7596b43df116af0dde826de23a...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 |
|---|