OT-2026-000017660
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000017660) never changes.
Identity and time
| Publication number | OT-2026-000017660 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-96f9-7d51-ac93-c04e8a6ebfec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:38.350302Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017660 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48471161443548643d0c44e6bfddc4e582ef9b9a2e0627169daa5b1819e16537 |
|---|---|
| Markdown | 73350c676abd32fdc1e9208dc39f8f97bffb85ce60f9b7ce9f264b57ea17d500 |
| Publication page | 8ce687cf635dc54c8f60251680d8feb567fd734afe57848eb0304e324fc939fe |
| Manifest | ff263a056d62daccf5ce50731f38938fb5494fd6dbbf661acd121a7398f0c8d5 |
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 | JR+RxpN9noMXRTCdAWr6S7AMTxwMvcRMrSUjNWueDS1JFuoKbcJfuw23HppJ3zzXgpy2lD/4yg/vdcQaCkFlDw== |
| 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
| 2026-09-25T04:41:05.347922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017660observed 8ce687cf635dc54c8f60251680d8feb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-25T04:41:05.288637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017660/manifest.jsonobserved ff263a056d62daccf5ce50731f38938f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:05.223624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017660/publication.mdobserved 73350c676abd32fdc1e9208dc39f8f97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:05.104026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017660/publication.txtobserved 48471161443548643d0c44e6bfddc4e5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:41:16.840642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017660observed 8ce687cf635dc54c8f60251680d8feb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:41:16.784265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017660/manifest.jsonobserved ff263a056d62daccf5ce50731f38938f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:41:16.692688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017660/publication.mdobserved 73350c676abd32fdc1e9208dc39f8f97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:41:16.578152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017660/publication.txtobserved 48471161443548643d0c44e6bfddc4e5...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 |
|---|