OT-2026-000050408
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000050408) never changes.
Identity and time
| Publication number | OT-2026-000050408 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c48-7d4d-9a76-af7659e27554 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050408 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5db00d62a6eab54c53fbbd8fefe88016ca53b7b3e9ca350d06843cb9b43d2b89 |
|---|---|
| Markdown | ce5f65d6247a1a0c339534ae5d0d53ac97da8b4c145d53fddf64bad6fdc6bf71 |
| Publication page | d9e0eed3b3e96a569338679f1d5e913e54308b9fd5c6e4f293ba44371df19533 |
| Manifest | c2ce1cfe4a02285363c7f107eeea517e7de666015f3a14fd6dfb5324b50c0dfe |
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 | yFfV5R4fGI9fIpvZm22nVNwHo9Aiijnj7+FXZxezBlE4oGHMygorn0J+HKt5iJb2iCfX6LWTskXkid1bGgy2Cg== |
| 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
| 2026-11-04T00:41:56.198251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050408observed d9e0eed3b3e96a569338679f1d5e913e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T00:41:56.149760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050408/manifest.jsonobserved c2ce1cfe4a02285363c7f107eeea517e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:41:56.101067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050408/publication.mdobserved ce5f65d6247a1a0c339534ae5d0d53ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:41:56.020753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050408/publication.txtobserved 5db00d62a6eab54c53fbbd8fefe88016...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:03.486903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050408observed d9e0eed3b3e96a569338679f1d5e913e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:03.393531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050408/manifest.jsonobserved c2ce1cfe4a02285363c7f107eeea517e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:03.302903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050408/publication.mdobserved ce5f65d6247a1a0c339534ae5d0d53ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:03.182949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050408/publication.txtobserved 5db00d62a6eab54c53fbbd8fefe88016...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 |
|---|