OT-2026-000017742
Publication integrity record
Four pad foam 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-2026-000017742) never changes.
Identity and time
| Publication number | OT-2026-000017742 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-96fa-75a0-9d7d-a252d2090081 · 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-2026-000017742 |
| Status | PUBLIC |
Content hashes
| Canonical text | e76f473e6d67ee5f684aa5dbb14ff38165398efbf21935d0dfc00a4414ed3d9f |
|---|---|
| Markdown | d308bf0759965526a63c526b25cac03f4abbba111e456941d5536c23e1b64da4 |
| Publication page | 8e41bf3c1a26ca40215aeb3e1564817a8e4bc16b2a088ad8fde452f091ea5938 |
| Manifest | 1b06d5eebc9d054bf8b0a3534154086ffb06575969b225af2aca10defbd158c6 |
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 | y/YUeVVB67hDWTjluTzMt4CP98IO0PfgbCdKAYE/dZ7AaYEB82bB4/RVL7xpzxDpU/fNTzL01wzuuC5AnNZ8CA== |
| 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... |
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Independent retrieval
| 2026-10-09T12:41:16.543311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017742observed 8e41bf3c1a26ca40215aeb3e1564817a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T12:41:16.410053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017742/manifest.jsonobserved 1b06d5eebc9d054bf8b0a3534154086f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:41:16.304582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017742/publication.mdobserved d308bf0759965526a63c526b25cac03f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:41:16.160127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017742/publication.txtobserved e76f473e6d67ee5f684aa5dbb14ff381...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:26.570507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017742observed 8e41bf3c1a26ca40215aeb3e1564817a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:26.257386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017742/manifest.jsonobserved 1b06d5eebc9d054bf8b0a3534154086f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:25.959126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017742/publication.mdobserved d308bf0759965526a63c526b25cac03f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:25.670110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017742/publication.txtobserved e76f473e6d67ee5f684aa5dbb14ff381...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 |
|---|