OT-2026-000071816
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000071816) never changes.
Identity and time
| Publication number | OT-2026-000071816 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e92-7260-ac23-249c9f1b2a5b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071816 |
| Status | PUBLIC |
Content hashes
| Canonical text | a36b80d04fdbfefea8f69e162aebf34cc4e617a69815b51202d47afc56a5d3ba |
|---|---|
| Markdown | c44edf06f2c5d0e406c7ff888c01db25399dd84cdfa39708155d909e31a0e232 |
| Publication page | 6185ed022d8e5e64698feb19adec03f2e6657244731a18215bb2328835665b6e |
| Manifest | 265a075770f398267646fc39bc7fe98357aa74830bf6827c6be705320cfb3296 |
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 | xVZx+IkdNVCGoVJQae+tOoirRUM5DDMXeoq9aiQu1SYxaYEBhim4hfD4LJEsJE8t07Mw8BU69zJNb51GAUAUBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-26T00:41:22.388103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071816observed 6185ed022d8e5e64698feb19adec03f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T00:41:22.275287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071816/manifest.jsonobserved 265a075770f398267646fc39bc7fe983...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:22.129467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071816/publication.mdobserved c44edf06f2c5d0e406c7ff888c01db25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:22.015863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071816/publication.txtobserved a36b80d04fdbfefea8f69e162aebf34c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:18.465146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071816observed 6185ed022d8e5e64698feb19adec03f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:18.407561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071816/manifest.jsonobserved 265a075770f398267646fc39bc7fe983...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:18.331032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071816/publication.mdobserved c44edf06f2c5d0e406c7ff888c01db25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:18.244012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071816/publication.txtobserved a36b80d04fdbfefea8f69e162aebf34c...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 |
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