OT-2026-000029238
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000029238) never changes.
Identity and time
| Publication number | OT-2026-000029238 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2aa1-7204-8cc5-758569b08668 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029238 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1cf4351b7d2f074f650dedfcc536cc8504575734d60a914de5d1d6de162a31a |
|---|---|
| Markdown | 1ba8ce6cfb9680e55e913e59763ca3d3277808bfeb154d25bb868b4f56f33f55 |
| Publication page | 5fa8dac34ac01c59da6bf0a712de65fd2ab39bf2a1c19562527024b60f8f89be |
| Manifest | 529846f8374c9a014f930e36dc52ae75fe02c77a6e1ce7b057f3421f115dd818 |
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 | WCSP/J+rD13t7erdVj7dm1C0URVyrD22H7Yufk44aoV6l++0kGM6TSOV7cHuVTzs/opCu0iHiU6wXYFDVcWnBA== |
| 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
| 2026-10-04T00:41:32.414569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029238observed 5fa8dac34ac01c59da6bf0a712de65fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T00:41:32.351127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029238/manifest.jsonobserved 529846f8374c9a014f930e36dc52ae75...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:32.273698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029238/publication.mdobserved 1ba8ce6cfb9680e55e913e59763ca3d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:32.198395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029238/publication.txtobserved a1cf4351b7d2f074f650dedfcc536cc8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:24.777510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029238observed 5fa8dac34ac01c59da6bf0a712de65fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:24.690365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029238/manifest.jsonobserved 529846f8374c9a014f930e36dc52ae75...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:24.608637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029238/publication.mdobserved 1ba8ce6cfb9680e55e913e59763ca3d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:24.514920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029238/publication.txtobserved a1cf4351b7d2f074f650dedfcc536cc8...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 |
|---|