OT-2026-000090960
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000090960) never changes.
Identity and time
| Publication number | OT-2026-000090960 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7aff-9bc9-d4dc4819d715 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090960 |
| Status | PUBLIC |
Content hashes
| Canonical text | 992a5caf3a997e16e8bbb521946b02c44a7aa48cdadc8b9c2a2504da40aaea80 |
|---|---|
| Markdown | 0efec322262f25126e8df37b2cc8feabbb25d10d1bbb11ec5cf2ac590c98e5e1 |
| Publication page | 747118de8227b730fb478bba27a4b3048c8ab26b0dbd86f5193fb9b349025870 |
| Manifest | fa14d384deec30c10c026e869b64a81225f589f554f60722214d285b2f9ccab8 |
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 | Galcwq/GB5/TnjxS9cWqSU227iPa1wnXDruc4Kd4nW41troDvPcQTunnxXO3AbT6DgSmPh1OBEng+Ite8c/WCw== |
| 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
| 2026-11-02T16:41:21.636665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090960observed 747118de8227b730fb478bba27a4b304...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T16:41:21.590243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090960/manifest.jsonobserved fa14d384deec30c10c026e869b64a812...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T16:41:21.539252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090960/publication.mdobserved 0efec322262f25126e8df37b2cc8feab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T16:41:21.431590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090960/publication.txtobserved 992a5caf3a997e16e8bbb521946b02c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T16:41:53.053717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090960observed 747118de8227b730fb478bba27a4b304...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T16:41:52.981310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090960/manifest.jsonobserved fa14d384deec30c10c026e869b64a812...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T16:41:52.903480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090960/publication.mdobserved 0efec322262f25126e8df37b2cc8feab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T16:41:52.787226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090960/publication.txtobserved 992a5caf3a997e16e8bbb521946b02c4...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 |
|---|