OT-2026-000048686
Publication integrity record
Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048686) never changes.
Identity and time
| Publication number | OT-2026-000048686 · never reused |
|---|---|
| Internal UUID | 01a0ae80-c32b-7bf7-9013-070b7fcaaf17 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:29.321882Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048686 |
| Status | PUBLIC |
Content hashes
| Canonical text | 028f74a61de0d45a693c211235dad715bf088b658d8d197e282408e0f28ac712 |
|---|---|
| Markdown | 302fc8fe6c9861bea303a4b4f9a1f8c976d471c068f1e7f59a8729931b6a943e |
| Publication page | dc90d24d995e3779433bbfd33714521f34027e833fcf6a7270f654427d381a11 |
| Manifest | 22dcb1e5c0950c80e2ffa09ffad1194f880df891bc11f23b059fbc00cd433c22 |
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 | j/WhWDeXxuIof20zcAZlpznWKQwmMij+7iruuIjqP7t88DjrvkCiD2ii5HfSJLFTQDbAsFq2MM+SLhx6D5ShDg== |
| 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
| 2026-10-13T12:41:33.805056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048686observed dc90d24d995e3779433bbfd33714521f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T12:41:33.673577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048686/manifest.jsonobserved 22dcb1e5c0950c80e2ffa09ffad1194f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T12:41:33.595288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048686/publication.mdobserved 302fc8fe6c9861bea303a4b4f9a1f8c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T12:41:33.419491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048686/publication.txtobserved 028f74a61de0d45a693c211235dad715...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:44.942643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048686observed dc90d24d995e3779433bbfd33714521f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:44.866680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048686/manifest.jsonobserved 22dcb1e5c0950c80e2ffa09ffad1194f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:44.796698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048686/publication.mdobserved 302fc8fe6c9861bea303a4b4f9a1f8c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:44.653826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048686/publication.txtobserved 028f74a61de0d45a693c211235dad715...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 |
|---|