OT-2026-000034415
Publication integrity record
Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000034415) never changes.
Identity and time
| Publication number | OT-2026-000034415 · never reused |
|---|---|
| Internal UUID | 01a0ae75-df0f-7aa3-a251-b3eb72ed04bc · 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-2026-000034415 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b8ff27741c874ecd7c67a41cbb702502dd95611e347835926389f4b0dcea6fc |
|---|---|
| Markdown | 9b0743a1491e7c480627efbb04a8a8b14153bf5460508f627818e9ec09298e1c |
| Publication page | 6e853acddd1567587106a04af4b327eb009f5db714febbfcf62e9d25911597b6 |
| Manifest | 55a2dbeee562ff2b4d819dcd04d4c3f7f66ff5f77b8212a249ad577a510c78c0 |
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 | hdZ3JcTnwToDEX4Whs8S6FRvC9g10UlqbIaQ8rr7vr+cRD0h9od9L1WxKg2Ohb/OMdKwNKjR5RBX8lxuUrbeAA== |
| 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
| 2026-10-28T04:41:22.574792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034415observed 6e853acddd1567587106a04af4b327eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T04:41:22.501402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034415/manifest.jsonobserved 55a2dbeee562ff2b4d819dcd04d4c3f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:41:22.427368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034415/publication.mdobserved 9b0743a1491e7c480627efbb04a8a8b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:41:22.359577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034415/publication.txtobserved 4b8ff27741c874ecd7c67a41cbb70250...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:31:08.099759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034415observed 6e853acddd1567587106a04af4b327eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:31:08.081191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034415/manifest.jsonobserved 55a2dbeee562ff2b4d819dcd04d4c3f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:31:08.063675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034415/publication.mdobserved 9b0743a1491e7c480627efbb04a8a8b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:31:08.046893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034415/publication.txtobserved 4b8ff27741c874ecd7c67a41cbb70250...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 |
|---|