OT-2026-000021669
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000021669) never changes.
Identity and time
| Publication number | OT-2026-000021669 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7673-af37-d510ae30084d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021669 |
| Status | PUBLIC |
Content hashes
| Canonical text | 835b89bec40a0c93af83c2691f5ca1fcd23f1ccc8af36d3127d5457bb3f71510 |
|---|---|
| Markdown | 304a954c7c39510598c0c95697c609b4e94f8c2cb656c7cabb94353aa6111931 |
| Publication page | 248cfacf0a8ab75413a8a21b95302a3c66f8ac61692407816fee80528fee3130 |
| Manifest | 2e7c5f706b24a83b0acbfb18e9db5b5e9ff071db382009147934fe9b4126c213 |
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 | YH90tv3C+5fVxYm9ff0YuZTr8KPaKKz2LUuD5RoC5tC1MYSVlAG2eOFQ7drVDHHyw6vs9Z+Xkp/T/zBW2lnrAw== |
| 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
| 2026-09-17T11:54:12.132007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021669observed 248cfacf0a8ab75413a8a21b95302a3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:12.115480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021669/manifest.jsonobserved 2e7c5f706b24a83b0acbfb18e9db5b5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:12.098404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021669/publication.mdobserved 304a954c7c39510598c0c95697c609b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:12.080984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021669/publication.txtobserved 835b89bec40a0c93af83c2691f5ca1fc...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. |
|---|