OT-2026-000041774
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000041774) never changes.
Identity and time
| Publication number | OT-2026-000041774 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a2-7846-8aea-c183d42bdf56 · 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-2026-000041774 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72f00320246078c5c20e2553500b5ea97837c89361ad14573ca4f522843817a2 |
|---|---|
| Markdown | 532a88a21b1d5f46fad6656b4f84a7b6b4a2b64ab60f4df1b9cd733060c6c96d |
| Publication page | 860ec684cba15f2b2130674833418742e581b69ac6bc544ec6755f547d969e46 |
| Manifest | c2c7181531582de6350e9f797759a86943c5719d016debc00fbe57b2b99ac151 |
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 | 40AyA/0uZS1D9UhxbXtmhk+07tG1t3LJ6I0mN6YNupVTzE+Vqhf0UXpz8CUCu8KLMlPXaQvosNbdOFhJ1dIHBA== |
| 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... |
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Independent retrieval
| 2026-09-30T20:41:29.368397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041774observed 860ec684cba15f2b2130674833418742...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T20:41:29.289341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041774/manifest.jsonobserved c2c7181531582de6350e9f797759a869...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:29.201780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041774/publication.mdobserved 532a88a21b1d5f46fad6656b4f84a7b6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:29.119860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041774/publication.txtobserved 72f00320246078c5c20e2553500b5ea9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:37.470477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041774observed 860ec684cba15f2b2130674833418742...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:37.452757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041774/manifest.jsonobserved c2c7181531582de6350e9f797759a869...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:37.435312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041774/publication.mdobserved 532a88a21b1d5f46fad6656b4f84a7b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:37.418394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041774/publication.txtobserved 72f00320246078c5c20e2553500b5ea9...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 |
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