OT-2026-000090419
Publication integrity record
Three cup vacuum gripper, three 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-2026-000090419) never changes.
Identity and time
| Publication number | OT-2026-000090419 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-7ca2-bd30-e2d5c0bf62d9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090419 |
| Status | PUBLIC |
Content hashes
| Canonical text | 50c0ecd7fef452730cfb38e797cf92bf294742361716064fdb5b6ccf18264a46 |
|---|---|
| Markdown | 5b1abbf999f247d8108da66477667885ef2b435c430f479e2ac2ce8a32a9c4c5 |
| Publication page | 4ca9364cf5ec63861b7e044ae73d970e4e09a22089802a77168eb19d0c99706a |
| Manifest | de822866a5d3fa379fc82c30bcc44b7d6a0b08980f392264774ae3f8b2294894 |
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 | si9mci3YsyFfLzetZci5neI/KJEZC2E8BGUMxnNwPV609wYb3vmu7xxo7Fq+5pepJsHB6rFOp+nHprA1iRD9DA== |
| 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... |
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Independent retrieval
| 2026-09-17T09:44:32.053766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090419observed 4ca9364cf5ec63861b7e044ae73d970e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:32.036416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090419/manifest.jsonobserved de822866a5d3fa379fc82c30bcc44b7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.017789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090419/publication.mdobserved 5b1abbf999f247d8108da66477667885...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.999859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090419/publication.txtobserved 50c0ecd7fef452730cfb38e797cf92bf...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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