OT-2026-000004870
Publication integrity record
Bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure verified
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-2026-000004870) never changes.
Identity and time
| Publication number | OT-2026-000004870 · never reused |
|---|---|
| Internal UUID | 01a0a925-ff9e-78dc-8338-6ab665b5875f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:14.913650Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004870 |
| Status | PUBLIC |
Content hashes
| Canonical text | bff80fe0e809977591fc39b7f17657fc731540bb1f2c8a25816f00f19c0adfb5 |
|---|---|
| Markdown | ad8224881aeef2210a913054a11725d58839350c182224d89c924b271b51449e |
| Publication page | 204e0e9dc3d3aa58ebd74f08d42856d2292b80c15f93df2e84f77b65172be679 |
| Manifest | 684036e484f373443c9bf56c29547743d17aa268b28750555a5492029f31b0f8 |
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 | yY1V06xX/WxJQbK0J4E4opV7dmZlBNmI/gpEhLShpayHqQAlMWPVnMiPjHH7Jx3VSpIK2df/Ug4pfl7eR9zXBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
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Independent retrieval
| 2026-10-07T16:41:25.902397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004870observed 204e0e9dc3d3aa58ebd74f08d42856d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T16:41:25.835011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004870/manifest.jsonobserved 684036e484f373443c9bf56c29547743...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T16:41:25.756595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004870/publication.mdobserved ad8224881aeef2210a913054a11725d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T16:41:25.602303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004870/publication.txtobserved bff80fe0e809977591fc39b7f17657fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:21.054364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004870observed 204e0e9dc3d3aa58ebd74f08d42856d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:21.038371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004870/manifest.jsonobserved 684036e484f373443c9bf56c29547743...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:21.004248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004870/publication.mdobserved ad8224881aeef2210a913054a11725d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:20.985909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004870/publication.txtobserved bff80fe0e809977591fc39b7f17657fc...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|