OT-2026-000050918
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000050918) never changes.
Identity and time
| Publication number | OT-2026-000050918 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b3-74ef-b2d3-5dd5736dd1d7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:41.548889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050918 |
| Status | PUBLIC |
Content hashes
| Canonical text | 37e467a249a439028cbe23f4a9b00e0d1016b51329d49e7ad380a6658c7863a1 |
|---|---|
| Markdown | d64eb76baac3cea3703808dbdf5ad153539367a8fc4e1da0734e7ddb672264e2 |
| Publication page | ab75eb4693b8660bb892903c9f525465eefc830f643050b0852e7f49d8b35d28 |
| Manifest | c9095d8869d67255598b87a6a92ad168a3dd440d99126c2f336cf59e7aecfd85 |
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 | 8Umd+8d8UXBhpaz+4moiAKXeFnopsUcFkfF9loC0fLy4FMedZvISCZh5fUquJxRJ2BCdTAkVmGVFJcuob9hXCA== |
| 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
| 2026-10-18T04:23:41.878970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050918observed ab75eb4693b8660bb892903c9f525465...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T04:23:41.864880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050918/manifest.jsonobserved c9095d8869d67255598b87a6a92ad168...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:41.838190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050918/publication.mdobserved d64eb76baac3cea3703808dbdf5ad153...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:41.778287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050918/publication.txtobserved 37e467a249a439028cbe23f4a9b00e0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:35.852115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050918observed ab75eb4693b8660bb892903c9f525465...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:35.779839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050918/manifest.jsonobserved c9095d8869d67255598b87a6a92ad168...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:35.660556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050918/publication.mdobserved d64eb76baac3cea3703808dbdf5ad153...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:35.576714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050918/publication.txtobserved 37e467a249a439028cbe23f4a9b00e0d...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 |
|---|