OT-2026-000099712
Publication integrity record
Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000099712) never changes.
Identity and time
| Publication number | OT-2026-000099712 · never reused |
|---|---|
| Internal UUID | 01a0aea2-c977-7ed6-9066-1620a43eedea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:11:39.138466Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000099712 |
| Status | PUBLIC |
Content hashes
| Canonical text | 93420218a197d63bbf03572866ead274797a5c4e1896b1105b40143a8d769974 |
|---|---|
| Markdown | a53259fa5dc9b47e39afb776d5762ce12436e464154850f42b74db5151821f05 |
| Publication page | f400eb3a5fa45bff80e41a228e6c81f6df7f581dfdc0689fb0e53c4f10dd6a4a |
| Manifest | 1d9f220588a8e477274fa886c3f8390769a119d765ec832760400097abead4bf |
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 | 5SxylUzAJfXOSnbfeIFexDDYgNPh+/Hv7wLIYaey0K2Q7EnghsNN7qcEo5CFptkmkCeMj7ViKxlGZrDs/zaJDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
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Independent retrieval
| 2026-10-14T12:42:01.419157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099712observed f400eb3a5fa45bff80e41a228e6c81f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T12:42:01.279170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099712/manifest.jsonobserved 1d9f220588a8e477274fa886c3f83907...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:42:01.198735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099712/publication.mdobserved a53259fa5dc9b47e39afb776d5762ce1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:42:01.037613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099712/publication.txtobserved 93420218a197d63bbf03572866ead274...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:41:16.652378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099712observed f400eb3a5fa45bff80e41a228e6c81f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:41:16.580804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099712/manifest.jsonobserved 1d9f220588a8e477274fa886c3f83907...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:41:16.507504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099712/publication.mdobserved a53259fa5dc9b47e39afb776d5762ce1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:41:16.413403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099712/publication.txtobserved 93420218a197d63bbf03572866ead274...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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