OT-2026-000016194
Publication integrity record
Four pad foam vacuum gripper, four 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-2026-000016194) never changes.
Identity and time
| Publication number | OT-2026-000016194 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-2d11-7500-8001-8268de576521 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:11.237946Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000016194 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29bca0a62dd46a7f44fb0c6a936d137f443867fb912fb4437ec7a18e2b7a76f4 |
|---|---|
| Markdown | 652e39678f4c47a21d55aeca425967c52b048eaef65b086b17488925a61a3234 |
| Publication page | 58d55502ad088987f929e1cc725cc708d836abe57883be5aaefc88b8765ed079 |
| Manifest | 588eb1ff42739fab70346d71e77fe72856756088aa9fdee1945b9dfb79d9c64b |
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 | 2fSJdgevzoeDMVt08TSvR40RiA4s6GSPF03kH5NzwO1IbQIvD4kQUGnZFE1IELba+MneiKVdjuuYzaGUxaN5Dw== |
| 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
| 2026-09-30T00:41:40.678566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016194observed 58d55502ad088987f929e1cc725cc708...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T00:41:40.603619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016194/manifest.jsonobserved 588eb1ff42739fab70346d71e77fe728...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T00:41:40.526623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016194/publication.mdobserved 652e39678f4c47a21d55aeca425967c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T00:41:40.386502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016194/publication.txtobserved 29bca0a62dd46a7f44fb0c6a936d137f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:41:55.715840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016194observed 58d55502ad088987f929e1cc725cc708...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:41:55.633715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016194/manifest.jsonobserved 588eb1ff42739fab70346d71e77fe728...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:41:55.488273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016194/publication.mdobserved 652e39678f4c47a21d55aeca425967c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:41:55.307012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016194/publication.txtobserved 29bca0a62dd46a7f44fb0c6a936d137f...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 |
|---|