OT-2026-000020456
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000020456) never changes.
Identity and time
| Publication number | OT-2026-000020456 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7789-9509-3cf4e5de9271 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020456 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5b914dbdc8f9172d340fa6d1da919e91d0623be228d3086fc46c3e341d5624b |
|---|---|
| Markdown | d73ba2bb71dca5adb8b4b87363b3be69cfb094cefd107c2b3481a6577c8a2d1e |
| Publication page | 43252b2a47b0f53960bbfb0df4fa001bea6b29e2b3684ef96889fa42cf0de0d3 |
| Manifest | 7e7fe3bef8d54c8f170f79ff1ba14e8845111cbca49d1b7143942965dbfe07bf |
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 | ulif8gwZLzh9cJsKuXLgZSL1YnaC3OzQZhgzYdTKldP6DlOHboLZFJuxA1TVhOrUH/fKV8j54zHlMq8k4GyzBg== |
| 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
| 2026-09-17T12:00:23.253240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020456observed 43252b2a47b0f53960bbfb0df4fa001b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:23.235348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020456/manifest.jsonobserved 7e7fe3bef8d54c8f170f79ff1ba14e88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:23.215795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020456/publication.mdobserved d73ba2bb71dca5adb8b4b87363b3be69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:23.197566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020456/publication.txtobserved d5b914dbdc8f9172d340fa6d1da919e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.818554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020456observed 43252b2a47b0f53960bbfb0df4fa001b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.800807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020456/manifest.jsonobserved 7e7fe3bef8d54c8f170f79ff1ba14e88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.782340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020456/publication.mdobserved d73ba2bb71dca5adb8b4b87363b3be69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.764371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020456/publication.txtobserved d5b914dbdc8f9172d340fa6d1da919e9...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|