OT-2026-000028961
Publication integrity record
Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line 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-2026-000028961) never changes.
Identity and time
| Publication number | OT-2026-000028961 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-734f-98fe-c34d21f66aa1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028961 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0179ab3f9c2d62b1d867387f2e35af5610f263c7732389d4084d6ef9eadd2220 |
|---|---|
| Markdown | 12cc80b8ab2aafd017aef5684212e24ea7ef37b229ed05b1b3d7daf1dd5e726f |
| Publication page | 904ad764c8cca9370cd39087ca84d7edf75589bd76bb7cf2ad41add7dbc0d34a |
| Manifest | 62de6f829b364e97b259fafa2dd742e6778b17e01813de87c04a48c48de87479 |
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 | XwGJS21edLtsgoZ5Q/fZM3WxPrYf4+5BYHbcEKW7ke2fu0cFty4oKrpoG1wipnkxp/sVfettuByBTyf6gdxzAg== |
| 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
| 2026-10-19T08:41:20.228090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028961observed 904ad764c8cca9370cd39087ca84d7ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T08:41:20.144866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028961/manifest.jsonobserved 62de6f829b364e97b259fafa2dd742e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T08:41:20.058958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028961/publication.mdobserved 12cc80b8ab2aafd017aef5684212e24e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T08:41:19.953811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028961/publication.txtobserved 0179ab3f9c2d62b1d867387f2e35af56...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:43:04.509966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028961observed 904ad764c8cca9370cd39087ca84d7ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:43:04.365051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028961/manifest.jsonobserved 62de6f829b364e97b259fafa2dd742e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:43:04.188337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028961/publication.mdobserved 12cc80b8ab2aafd017aef5684212e24e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:43:04.018023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028961/publication.txtobserved 0179ab3f9c2d62b1d867387f2e35af56...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 |
|---|