OT-2026-000023476
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000023476) never changes.
Identity and time
| Publication number | OT-2026-000023476 · never reused |
|---|---|
| Internal UUID | 01a0ae70-7269-7f31-b506-bd314e9f9c9e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:40.056870Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023476 |
| Status | PUBLIC |
Content hashes
| Canonical text | e921ff1ca80f081fb52522ed6c831f7d3088c31712832c7ecfaeabee6108076b |
|---|---|
| Markdown | b527c8b4e7351b8846c3cd457e15e46916068755338717ecec17a8b9fec3b795 |
| Publication page | 555fc7f1c817736f603f121d51b05a2f1c83dc001fd20de6d40e2b6f6bf7c79e |
| Manifest | 885a73bb5cc84193906acf5d0531032d02cbdd64688699c37c53c400b26f1d05 |
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 | J5JlUy7xm/e0e4RKV05Fc4fW992QDAASdG/TfMkDyXgr2yYEyw0O4vJS+S767dGMX2yhd3NCJgRrIWWdfSmFCA== |
| 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
| 2026-10-24T00:41:08.085113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023476observed 555fc7f1c817736f603f121d51b05a2f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T00:41:07.993547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023476/manifest.jsonobserved 885a73bb5cc84193906acf5d0531032d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:07.932510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023476/publication.mdobserved b527c8b4e7351b8846c3cd457e15e469...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:07.853080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023476/publication.txtobserved e921ff1ca80f081fb52522ed6c831f7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:19.739229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023476observed 555fc7f1c817736f603f121d51b05a2f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:19.663096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023476/manifest.jsonobserved 885a73bb5cc84193906acf5d0531032d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:19.579904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023476/publication.mdobserved b527c8b4e7351b8846c3cd457e15e469...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:19.476447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023476/publication.txtobserved e921ff1ca80f081fb52522ed6c831f7d...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 |
|---|