OT-2026-000075298
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down
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-2026-000075298) never changes.
Identity and time
| Publication number | OT-2026-000075298 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f200-7ad3-8725-a5b271b30d7c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075298 |
| Status | PUBLIC |
Content hashes
| Canonical text | 54ff266987f4363f252e18bc36c1b8662f749dcaf4011e3aa80671322fbf6a4c |
|---|---|
| Markdown | 5a6af63ca56e12548c01e2120ed119b0406026f59e20662887e977ca265ab204 |
| Publication page | b5b5dfd2e0a89a4c101fcf779b1138f4a5ad702cd4d02f99f84b95dc7b1d681a |
| Manifest | b64d71c3c3c340e109273874bd032729d5014bfe52b47b36f57cff61ce78b20a |
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 | eSKEszhDxrHGWIkQ6gb/T7Ic+IF+I4Miql/fSXH4aO54nFrxbjgFHoYXDx7Z/KYRy0ojTimVre4q31y6nVpNCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-01T16:41:10.027798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075298observed b5b5dfd2e0a89a4c101fcf779b1138f4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T16:41:09.952955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075298/manifest.jsonobserved b64d71c3c3c340e109273874bd032729...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:09.873771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075298/publication.mdobserved 5a6af63ca56e12548c01e2120ed119b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:09.800283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075298/publication.txtobserved 54ff266987f4363f252e18bc36c1b866...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:36.824482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075298observed b5b5dfd2e0a89a4c101fcf779b1138f4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:36.738712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075298/manifest.jsonobserved b64d71c3c3c340e109273874bd032729...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:36.648081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075298/publication.mdobserved 5a6af63ca56e12548c01e2120ed119b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:36.552570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075298/publication.txtobserved 54ff266987f4363f252e18bc36c1b866...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 |
|---|