OT-2026-000006181
Publication integrity record
Three finger mechanical gripper, three stage ejector, pneumatic drive
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-2026-000006181) never changes.
Identity and time
| Publication number | OT-2026-000006181 · never reused |
|---|---|
| Internal UUID | 01a0a952-16db-7aaa-81ee-14887f63d310 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:25:24.446469Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006181 |
| Status | PUBLIC |
Content hashes
| Canonical text | f57195283c72846949251f5ca411c6cc591bb91f215bdec20d3ce0801e575994 |
|---|---|
| Markdown | 253a916b0b339eeeff68ce001c5fd842e37946994d980e25b3836b9115998bc4 |
| Publication page | fc7f026024d19108f81fe2a10523eb561352957c9fc85c4855f18ab1a95f63c4 |
| Manifest | 95116182dedea7f3282ab30529f2e3591054089ca33fb85e9038665de4c9fa6d |
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 | bRMw6cy5zaSXhQqzokeTHRhVq/HsdbhyyylQXweXFAyo04fc4RCs4MyE8jg6tAHtv3B1h9k8jM8jOuE5wWfnCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
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Independent retrieval
| 2026-10-04T00:41:30.465985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006181observed fc7f026024d19108f81fe2a10523eb56...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T00:41:30.422079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006181/manifest.jsonobserved 95116182dedea7f3282ab30529f2e359...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:30.362430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006181/publication.mdobserved 253a916b0b339eeeff68ce001c5fd842...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:30.268870Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006181/publication.txtobserved f57195283c72846949251f5ca411c6cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:41:07.835344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006181observed fc7f026024d19108f81fe2a10523eb56...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:41:07.633834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006181/manifest.jsonobserved 95116182dedea7f3282ab30529f2e359...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:41:07.212450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006181/publication.mdobserved 253a916b0b339eeeff68ce001c5fd842...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:41:06.957547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006181/publication.txtobserved f57195283c72846949251f5ca411c6cc...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. |
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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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