OT-2026-000083450
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000083450) never changes.
Identity and time
| Publication number | OT-2026-000083450 · never reused |
|---|---|
| Internal UUID | 01a0ae97-c965-76e0-8ae4-2b3d995b15a1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:59:38.321156Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000083450 |
| Status | PUBLIC |
Content hashes
| Canonical text | aa9ec478c56856ddd0ca14613505d6b5072dd4ab04a549002a994665980ffe6a |
|---|---|
| Markdown | 9d1f6963e3d2c3d4c732090cf9e8e1afdc2c5787abc69a3e78ccd71a63f4cdc9 |
| Publication page | 72fb0313484f2d82811535ffdd4bbe1a275a0a8844280de5f06408d9027276bb |
| Manifest | 96018bad548884f68a504c325a4949354fc2acfe9ce1d625dec61d9a1f00b45e |
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 | Q1L7pA46PqymMR7urcy/m1zw9JGUYV17GGu4zUQJv4PuAEpWPixLaplMon8MwjAopdIM7hbkLKZ8SHZrAFviBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-31T00:41:49.143875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083450observed 72fb0313484f2d82811535ffdd4bbe1a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T00:41:49.096223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083450/manifest.jsonobserved 96018bad548884f68a504c325a494935...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:49.042521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083450/publication.mdobserved 9d1f6963e3d2c3d4c732090cf9e8e1af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:48.969309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083450/publication.txtobserved aa9ec478c56856ddd0ca14613505d6b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:35.894909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083450observed 72fb0313484f2d82811535ffdd4bbe1a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:35.846905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083450/manifest.jsonobserved 96018bad548884f68a504c325a494935...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:35.778422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083450/publication.mdobserved 9d1f6963e3d2c3d4c732090cf9e8e1af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:35.649898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083450/publication.txtobserved aa9ec478c56856ddd0ca14613505d6b5...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 |
|---|