OT-2026-000053837
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000053837) never changes.
Identity and time
| Publication number | OT-2026-000053837 · never reused |
|---|---|
| Internal UUID | 01a0ae85-735d-72b0-96b0-157d46b2b266 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:36.560124Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053837 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0df89537e63bfe6d3b7faa99dabd5bf0e029e8ca31accef7be91738969a0a991 |
|---|---|
| Markdown | 06f951eb0aba35b38085f5dda752f3efafce29e8a1b8ef012c2663c5f0f0152e |
| Publication page | 42c6fc0ecc873d477b492b15f418d2cd3b4bc2bd72d072ef7904b7f8db65c8d9 |
| Manifest | 8b60a5d7bb29da72f8a5070ae42ba4ac46b83010b8e07bd6dfbbf8ed6c747ee8 |
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 | l3+CIOhZrxG3qPRU50le+CDCwSKq5SyrsrfU61w4BG9Dk0EA9iB/4Y0N73vHMkOw8vM0lh6AZvDLyIzoNYgjBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-29T20:41:36.167930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053837observed 42c6fc0ecc873d477b492b15f418d2cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T20:41:36.117720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053837/manifest.jsonobserved 8b60a5d7bb29da72f8a5070ae42ba4ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T20:41:36.057349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053837/publication.mdobserved 06f951eb0aba35b38085f5dda752f3ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T20:41:35.981673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053837/publication.txtobserved 0df89537e63bfe6d3b7faa99dabd5bf0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:41:25.131415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053837observed 42c6fc0ecc873d477b492b15f418d2cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:41:24.954343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053837/manifest.jsonobserved 8b60a5d7bb29da72f8a5070ae42ba4ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:41:24.808164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053837/publication.mdobserved 06f951eb0aba35b38085f5dda752f3ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:41:24.599724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053837/publication.txtobserved 0df89537e63bfe6d3b7faa99dabd5bf0...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 |
|---|