OT-2026-000020314
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000020314) never changes.
Identity and time
| Publication number | OT-2026-000020314 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-77dc-a907-9281a908c7c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020314 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7677a5e7450fdb553607842df2324f9565fa413aee32652136401726dedf25b0 |
|---|---|
| Markdown | 2fae03bb8cad3163e9bd7c296bf7ff1d4a51b76c01062faa102dcb67434c3448 |
| Publication page | 07a0189b8220b6e3be65c00cb08d44c6c9814512c0359f2f1308981c68f4055f |
| Manifest | a8917c8fe6e4538b510b3f76600aac70e37bd986d899f43cc93bea38820d153a |
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 | vlR50IWI6K934S1/Rs2LVib1AUNXhyT2YDDEPqLA6caEgpCD5rsZjDsBbW5SiUP5D3C30ipFqik+vbiNZn/qAw== |
| 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
| 2026-10-30T12:42:02.156196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020314observed 07a0189b8220b6e3be65c00cb08d44c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T12:42:02.095647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020314/manifest.jsonobserved a8917c8fe6e4538b510b3f76600aac70...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T12:42:01.946123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020314/publication.mdobserved 2fae03bb8cad3163e9bd7c296bf7ff1d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T12:42:01.878950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020314/publication.txtobserved 7677a5e7450fdb553607842df2324f95...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:30.956280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020314observed 07a0189b8220b6e3be65c00cb08d44c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:30.849254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020314/manifest.jsonobserved a8917c8fe6e4538b510b3f76600aac70...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:30.769897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020314/publication.mdobserved 2fae03bb8cad3163e9bd7c296bf7ff1d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:30.581301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020314/publication.txtobserved 7677a5e7450fdb553607842df2324f95...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 |
|---|