OT-2026-000012452
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000012452) never changes.
Identity and time
| Publication number | OT-2026-000012452 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-7410-8468-00c750965dcb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012452 |
| Status | PUBLIC |
Content hashes
| Canonical text | 10e8e984dfc554c6e934005de5619957b89c23577bd6c402fd36686e79c26847 |
|---|---|
| Markdown | b6e2f9b9867ad63f91994f4b511e7388a87e914069d7db0ee0ff2bdbfa1b870d |
| Publication page | 9c21f98c5e577eb3282eb053d3b3218bf88a94c40a26ee7e8f6db92a2db9a7de |
| Manifest | 182dd98827069f87eff5a2edb810927ce8662ca1d3a046d05637c7d7819421d9 |
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 | +vEZq5cJPQS1EHpr3hswKwFgbhklxX1b4WJl3U4b38DUg7Epd8TZveVQK2wqr6KyGySvtsry/D3qxBwxMoknDw== |
| 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
| 2026-10-20T20:41:39.872460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012452observed 9c21f98c5e577eb3282eb053d3b3218b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T20:41:39.821165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012452/manifest.jsonobserved 182dd98827069f87eff5a2edb810927c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:39.764244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012452/publication.mdobserved b6e2f9b9867ad63f91994f4b511e7388...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:39.655437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012452/publication.txtobserved 10e8e984dfc554c6e934005de5619957...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:52.233205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012452observed 9c21f98c5e577eb3282eb053d3b3218b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:52.180346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012452/manifest.jsonobserved 182dd98827069f87eff5a2edb810927c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:52.108458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012452/publication.mdobserved b6e2f9b9867ad63f91994f4b511e7388...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:52.028840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012452/publication.txtobserved 10e8e984dfc554c6e934005de5619957...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 |
|---|