OT-2026-000039901
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039901) never changes.
Identity and time
| Publication number | OT-2026-000039901 · never reused |
|---|---|
| Internal UUID | 01a0ae78-d8d6-7dbd-aa63-1266fc3702e2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:50.683051Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000039901 |
| Status | PUBLIC |
Content hashes
| Canonical text | a65eecd8450af03bab1879d48b54c567bdbaa987d447c6198efe799d829bd6de |
|---|---|
| Markdown | dd1c373a1361a3bca5b305c9ed83ad5bed38e90e574fccba8b2c8b295bbfdb50 |
| Publication page | 3359ba5d2605c7be27434d90d44b11eb0ca401ddb609fcd522999feaad2532de |
| Manifest | 191adf2470a595b8b7041141c5a5cd33a2db9270f28eba5aa196e210cde6937c |
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 | J9QjKAULPsUgXSyV/FjCRFTx34ECEMcCPgJIjHk9Iw4fBPunI65EOzSlMQJXwDWboOkxDpY54HYN+ypJ9mfrCw== |
| 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
| 2026-10-01T12:41:39.710168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039901observed 3359ba5d2605c7be27434d90d44b11eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T12:41:39.601448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039901/manifest.jsonobserved 191adf2470a595b8b7041141c5a5cd33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:39.526787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039901/publication.mdobserved dd1c373a1361a3bca5b305c9ed83ad5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:39.437679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039901/publication.txtobserved a65eecd8450af03bab1879d48b54c567...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:41:10.511742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039901observed 3359ba5d2605c7be27434d90d44b11eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:41:10.416644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039901/manifest.jsonobserved 191adf2470a595b8b7041141c5a5cd33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:41:10.363675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039901/publication.mdobserved dd1c373a1361a3bca5b305c9ed83ad5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:41:10.310038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039901/publication.txtobserved a65eecd8450af03bab1879d48b54c567...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 |
|---|