OT-2026-000031134
Publication integrity record
Foam pad vacuum gripper, pump fed, 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-2026-000031134) never changes.
Identity and time
| Publication number | OT-2026-000031134 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87aa-7c61-acf6-90a0922db96c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031134 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6242318ea4463785294b114f44aaba35510fecf3d9fdd72e5b39ed655eae2439 |
|---|---|
| Markdown | a23d85d5b9a5f7d556eb3f166cda9e26e74d2b43236ee526205fab5ab08d0e20 |
| Publication page | 461c491bdc85b3398b84428babade1aff973923ca0e56c4cf9d7252fe8f4b3a7 |
| Manifest | 6232b5ca7993e11006b26e9e3280459b42094ca4854ea98ed5f7d7e6ddc89e48 |
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 | rRU9rk79NEnwMgL2TKJ06eDAz/fNqMbVb4NNyeEqa4mI3wOyxs3FTGWyMVmlRqNpx+3LZ/r1bCUpPEMGP4G3Bw== |
| 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
| 2026-09-17T16:43:07.244560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031134observed 461c491bdc85b3398b84428babade1af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T16:43:07.075178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031134/manifest.jsonobserved 6232b5ca7993e11006b26e9e3280459b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:43:06.903312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031134/publication.mdobserved a23d85d5b9a5f7d556eb3f166cda9e26...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:43:06.697016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031134/publication.txtobserved 6242318ea4463785294b114f44aaba35...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:34.442843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031134observed 461c491bdc85b3398b84428babade1af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:34.423277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031134/manifest.jsonobserved 6232b5ca7993e11006b26e9e3280459b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:34.404669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031134/publication.mdobserved a23d85d5b9a5f7d556eb3f166cda9e26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:34.387510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031134/publication.txtobserved 6242318ea4463785294b114f44aaba35...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
| Custody package | Pending Custody packages are produced weekly. |
|---|