OT-2026-000019417
Publication integrity record
Single cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000019417) never changes.
Identity and time
| Publication number | OT-2026-000019417 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7413-9ab2-5f716284d1e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019417 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8859c82c0961c2bf0a47bca9da03f1b5469c46decaa5cea00812665cde5dd5d |
|---|---|
| Markdown | fb7f13eab7e5be5b56dbb88cb9aabe2cf64cef0a1c89212aeef28d3c6cb79b9e |
| Publication page | 601847971387ec4c64dbb0e6e1729c8b9ecba61dfc28671b44c2f9ee351e61c5 |
| Manifest | 1faac612604d664666fb0ab540514ade86546da29dd4c9e39e76c5a84b4262a9 |
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 | r36QFeZ7Vyv69M3IXPOOGBl7ej1pMtLlqmxynOVf9Xs25pdxytY3LdxI/KhZLu2aMTRVVzts4r/+mQJVOgUGAA== |
| 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
| 2026-09-24T08:41:13.141434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019417observed 601847971387ec4c64dbb0e6e1729c8b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-24T08:41:13.055976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019417/manifest.jsonobserved 1faac612604d664666fb0ab540514ade...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:13.001738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019417/publication.mdobserved fb7f13eab7e5be5b56dbb88cb9aabe2c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:12.915097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019417/publication.txtobserved d8859c82c0961c2bf0a47bca9da03f1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:11.775787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019417observed 601847971387ec4c64dbb0e6e1729c8b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:11.726696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019417/manifest.jsonobserved 1faac612604d664666fb0ab540514ade...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:11.672125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019417/publication.mdobserved fb7f13eab7e5be5b56dbb88cb9aabe2c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:11.573476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019417/publication.txtobserved d8859c82c0961c2bf0a47bca9da03f1b...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 |
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