OT-2026-000011810
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000011810) never changes.
Identity and time
| Publication number | OT-2026-000011810 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1941-78f0-a45b-3885be827933 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011810 |
| Status | PUBLIC |
Content hashes
| Canonical text | f6660e1cecadaea714d551f75d2b1e69362ac0dec72decd91e2a94d8cdae5886 |
|---|---|
| Markdown | 87205a032eb5bb19d6273c74827535f94c22ca33aa38635494e64c1e6f57bdfd |
| Publication page | 77b67c4439fe7d412305ad31cea60299d9e6ff34c3836c0be1158a1a49e7e389 |
| Manifest | 318089d1519696b6237e27aa7db00e4d45680e190f69c01fb2a917a2cb3a3311 |
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 | ibWKFz5Oc4JHFA03/qv4GzDTii0iGJKB9IZCbiynMLGpO5mg5OpyATBDPMXS5D9Y0ks8m/fee/XJmTrqXI9nAQ== |
| 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
| 2026-10-29T00:42:00.519733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011810observed 77b67c4439fe7d412305ad31cea60299...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T00:42:00.420445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011810/manifest.jsonobserved 318089d1519696b6237e27aa7db00e4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:42:00.321529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011810/publication.mdobserved 87205a032eb5bb19d6273c74827535f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:42:00.238576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011810/publication.txtobserved f6660e1cecadaea714d551f75d2b1e69...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:09.133813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011810observed 77b67c4439fe7d412305ad31cea60299...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:09.050764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011810/manifest.jsonobserved 318089d1519696b6237e27aa7db00e4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:08.952722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011810/publication.mdobserved 87205a032eb5bb19d6273c74827535f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:08.865109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011810/publication.txtobserved f6660e1cecadaea714d551f75d2b1e69...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 |
|---|