OT-2026-000023442
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000023442) never changes.
Identity and time
| Publication number | OT-2026-000023442 · never reused |
|---|---|
| Internal UUID | 01a0ae70-7268-70fc-ae5e-3fc64e8eeca2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:40.056870Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023442 |
| Status | PUBLIC |
Content hashes
| Canonical text | e47718f23d0efa1433d86000a8da261453923b57866f49b22087bb518cdcd83f |
|---|---|
| Markdown | d26dab44189bf98832776a45ab79279ee1ed0a00e5f25b5d30b5fda55c41bafa |
| Publication page | 5073edb0c6643ac67d3793ad45c945536414465890de0a25814733d250fd44c1 |
| Manifest | d201f7957a418c7ac93d50a5b764ebe641f3f5aaddab016fa0cb00d59db69dd6 |
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 | i30ipvvjbLuMcLiNxLqc4oGkfm3XBeGhr+esnm5d4w4kMIo4SlCLDF3MvE7/HVg4mRy6mCZsp8fmgVJuSd5FAA== |
| 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
| 2026-10-21T08:41:10.777957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023442observed 5073edb0c6643ac67d3793ad45c94553...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T08:41:10.700005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023442/manifest.jsonobserved d201f7957a418c7ac93d50a5b764ebe6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:41:10.629694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023442/publication.mdobserved d26dab44189bf98832776a45ab79279e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:41:10.498242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023442/publication.txtobserved e47718f23d0efa1433d86000a8da2614...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:23.585492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023442observed 5073edb0c6643ac67d3793ad45c94553...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:23.570099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023442/manifest.jsonobserved d201f7957a418c7ac93d50a5b764ebe6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:23.544215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023442/publication.mdobserved d26dab44189bf98832776a45ab79279e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:23.523291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023442/publication.txtobserved e47718f23d0efa1433d86000a8da2614...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 |
|---|