OT-2026-000041900
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000041900) never changes.
Identity and time
| Publication number | OT-2026-000041900 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a6-7be5-916b-d0a57472cafb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041900 |
| Status | PUBLIC |
Content hashes
| Canonical text | 79e624f3f9a9bde1dfe70c2fcfe5287e39319dcc060304ee873c29fdd2c454a8 |
|---|---|
| Markdown | d19d2aa71f4df9fdbd2303a4f5f8ff5ff0cdcc247d80f7b22466eb53bb684aa8 |
| Publication page | 1a70445d630638167df178c3a068618544231566160d8817d8f759d16b560e4a |
| Manifest | ee2f18c5b19e6e292d5273c60fa036aaa66815342f04d1694cd650af8edf0f46 |
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 | ON+bXvxo5I/7JaQw9xNgLmi+YZqMl5nlxFd9jOVlqYHT2OzBLQkEEDTi7gghBmml0J7k+4PmysVw6hmMfgliAw== |
| 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
| 2026-09-29T12:41:33.726149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041900observed 1a70445d630638167df178c3a0686185...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T12:41:33.647941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041900/manifest.jsonobserved ee2f18c5b19e6e292d5273c60fa036aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:33.569121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041900/publication.mdobserved d19d2aa71f4df9fdbd2303a4f5f8ff5f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:33.457533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041900/publication.txtobserved 79e624f3f9a9bde1dfe70c2fcfe5287e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:05.153368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041900observed 1a70445d630638167df178c3a0686185...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:04.922939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041900/manifest.jsonobserved ee2f18c5b19e6e292d5273c60fa036aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:04.713636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041900/publication.mdobserved d19d2aa71f4df9fdbd2303a4f5f8ff5f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:04.479441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041900/publication.txtobserved 79e624f3f9a9bde1dfe70c2fcfe5287e...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 |
|---|