OT-2026-000030278
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000030278) never changes.
Identity and time
| Publication number | OT-2026-000030278 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e500-765d-a753-8a5b18470cad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030278 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3da53970c2031fee071cdfc4689d3b8764135b895d332d8312a45d61a1a7d6d |
|---|---|
| Markdown | ddc9f6796e557474ce062d40d2e2a5cd98407946ba0ea86ab8b27fe0efe76690 |
| Publication page | 1b79e29e886694438e2621f66bac0385d4f53a03f6a8cc9aa7543a118bf36214 |
| Manifest | ffb4f50206ab027fd8be720f18ff0af02f31a28cba98352771f6281b0dcfaf46 |
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 | bahaILk0CLTC3hBxggLhVwatzgEqblJ7lpTuSuI3a8tm6rV/3gtJA0O5AEp8vXkxGk/jKyZEUkdYGgsH1pehDw== |
| 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
| 2026-10-19T16:41:49.874605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030278observed 1b79e29e886694438e2621f66bac0385...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T16:41:49.796811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030278/manifest.jsonobserved ffb4f50206ab027fd8be720f18ff0af0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:49.695368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030278/publication.mdobserved ddc9f6796e557474ce062d40d2e2a5cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:49.566538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030278/publication.txtobserved f3da53970c2031fee071cdfc4689d3b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:46.798513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030278observed 1b79e29e886694438e2621f66bac0385...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:46.782242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030278/manifest.jsonobserved ffb4f50206ab027fd8be720f18ff0af0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:46.766835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030278/publication.mdobserved ddc9f6796e557474ce062d40d2e2a5cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:46.750841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030278/publication.txtobserved f3da53970c2031fee071cdfc4689d3b8...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 |
|---|