OT-2026-000041820
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000041820) never changes.
Identity and time
| Publication number | OT-2026-000041820 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a4-776b-84b2-75860c6a63b7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041820 |
| Status | PUBLIC |
Content hashes
| Canonical text | bcf329804c95eb5ca59faecdbd811b352f02e6dd9a01f616c4bc48dc91939123 |
|---|---|
| Markdown | 6ff0b73311fb810889dfe50e9fc01417fe8932659caf46a4effd15fd34c249c1 |
| Publication page | d12cc899177033c4d7f966947ad72188901c7296345ee8aff5542a3ef416712c |
| Manifest | 9ff23fe63c0c1f9c71516a18541d95abdfc550aa5a1dc215118948a30385f790 |
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 | LveGFqmhWV1HNOCFrNKXac/QS6kuLyxAuF/KyIE/In+AZk6BRhSQHUn7ezYIGf9VbL+/dpIDEorpi9DlD4LNCg== |
| 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
| 2026-10-04T08:41:24.081041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041820observed d12cc899177033c4d7f966947ad72188...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T08:41:24.010278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041820/manifest.jsonobserved 9ff23fe63c0c1f9c71516a18541d95ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T08:41:23.946067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041820/publication.mdobserved 6ff0b73311fb810889dfe50e9fc01417...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T08:41:23.863574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041820/publication.txtobserved bcf329804c95eb5ca59faecdbd811b35...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:36.293959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041820observed d12cc899177033c4d7f966947ad72188...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:36.243223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041820/manifest.jsonobserved 9ff23fe63c0c1f9c71516a18541d95ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:36.173167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041820/publication.mdobserved 6ff0b73311fb810889dfe50e9fc01417...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:36.071948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041820/publication.txtobserved bcf329804c95eb5ca59faecdbd811b35...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 |
|---|