OT-2026-000021674
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, 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-2026-000021674) never changes.
Identity and time
| Publication number | OT-2026-000021674 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7458-996a-7553bd5c0a65 · 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-2026-000021674 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3cbbfd0f7e550559510392589de714dd151ec582be862d1ca3f36d7cb886b44e |
|---|---|
| Markdown | a03efaae08d5f0cee77b19c821a405992872f7a910e84ccb2d556d7a98528a56 |
| Publication page | 9820e4b1d5c68b0204ef2e7daa8a5fd6685511a4849458c3aaaf3b26cedd8b53 |
| Manifest | c89121d2b45735bd8ba91bd915bd4d689d8eaf4c5e5cbd483c4bfe811c5d31aa |
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 | CsE+fZKGCLJT2Ynpn/gwtCiJi3Z2fdBh9T7yajzMvhrkLXxc7G8WlkgYjUiwM4SmaKtOh4Qm2RBOyOv18LyqCQ== |
| 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
| 2026-11-03T04:41:13.422745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021674observed 9820e4b1d5c68b0204ef2e7daa8a5fd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:41:13.316343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021674/manifest.jsonobserved c89121d2b45735bd8ba91bd915bd4d68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:13.175406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021674/publication.mdobserved a03efaae08d5f0cee77b19c821a40599...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:12.949281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021674/publication.txtobserved 3cbbfd0f7e550559510392589de714dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T12:41:30.482805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021674observed 9820e4b1d5c68b0204ef2e7daa8a5fd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T12:41:30.412905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021674/manifest.jsonobserved c89121d2b45735bd8ba91bd915bd4d68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T12:41:30.325898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021674/publication.mdobserved a03efaae08d5f0cee77b19c821a40599...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T12:41:30.167957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021674/publication.txtobserved 3cbbfd0f7e550559510392589de714dd...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 |
|---|