OT-2026-000012169
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000012169) never changes.
Identity and time
| Publication number | OT-2026-000012169 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f5-796b-80a4-e002eae63f02 · 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-2026-000012169 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9c04788d5a29d59b8db2e592582ee42ad236eadc0758915e6e159a389387b5e2 |
|---|---|
| Markdown | 6396e553a2d1c8fde693b1de07cd59ac61848b68ce844c140b19dd5b341b8a61 |
| Publication page | 245ba97c1bae346488e8d8d8365db01b2d8e19614bdabe738b365fa26d0be63c |
| Manifest | 4c8c2039eb21c426b9c1b46c26c4058101ed1dd5ac08d1b4e1b35e5eb15b74fe |
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 | rCQdK7uUhq9kK2kOpCJWeFSAD+m5H4lUWSvOrkaf8Zmhu6kwI2uBjZs0Vr3KhDbdRCxRX7DBmYJUhH9cmZCwAw== |
| 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
| 2026-09-26T08:41:34.144105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012169observed 245ba97c1bae346488e8d8d8365db01b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T08:41:34.072372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012169/manifest.jsonobserved 4c8c2039eb21c426b9c1b46c26c40581...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:34.016416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012169/publication.mdobserved 6396e553a2d1c8fde693b1de07cd59ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:33.889817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012169/publication.txtobserved 9c04788d5a29d59b8db2e592582ee42a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:11:04.180459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012169observed 245ba97c1bae346488e8d8d8365db01b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:11:04.163894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012169/manifest.jsonobserved 4c8c2039eb21c426b9c1b46c26c40581...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:11:04.144717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012169/publication.mdobserved 6396e553a2d1c8fde693b1de07cd59ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:11:04.126226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012169/publication.txtobserved 9c04788d5a29d59b8db2e592582ee42a...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|