OT-2026-000050659
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050659) never changes.
Identity and time
| Publication number | OT-2026-000050659 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b0-79b6-992c-6ca24203197c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:41.548889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050659 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e3b0967eb0a64c22f9ef68db1081140b4be9888ac3da770e49f5cc00cd4def9 |
|---|---|
| Markdown | bedeb04cb4ee8fefc1299882d4ca848a765cbf0160b76e15cb5786d2a1e90c38 |
| Publication page | 83dcd6e10d51d20b150ebea21ad330e7cb09539311190661806e381fbb7c6416 |
| Manifest | f8457f6ae51a7b82070275cbee0c022847aff52b379072e6f86fd1ddab0cf430 |
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 | 4tfUBu2KgLrmmIE8/24lIy0XEBkEICgeLBybQCL6NyVpFV/NsDdrNkRxqENLlRLtRNnqFJVYjv+cbYRZOUJnCw== |
| 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... |
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Independent retrieval
| 2026-10-08T12:41:23.343331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050659observed 83dcd6e10d51d20b150ebea21ad330e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T12:41:23.176163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050659/manifest.jsonobserved f8457f6ae51a7b82070275cbee0c0228...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:22.995142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050659/publication.mdobserved bedeb04cb4ee8fefc1299882d4ca848a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:22.800138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050659/publication.txtobserved 2e3b0967eb0a64c22f9ef68db1081140...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:35.375926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050659observed 83dcd6e10d51d20b150ebea21ad330e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:35.323006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050659/manifest.jsonobserved f8457f6ae51a7b82070275cbee0c0228...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:35.254901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050659/publication.mdobserved bedeb04cb4ee8fefc1299882d4ca848a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:35.126438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050659/publication.txtobserved 2e3b0967eb0a64c22f9ef68db1081140...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 |
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