OT-2026-000090410
Publication integrity record
Foam pad 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-2026-000090410) never changes.
Identity and time
| Publication number | OT-2026-000090410 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-7034-9ed1-20fb90696bb6 · 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-2026-000090410 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8950ff7b86137048ab50b782ceffe8bf2820f5316663f53db5396afbbaa736d |
|---|---|
| Markdown | 026e63f9dcd50d58ea7bb5c81f43be1a8d5567f80d8e9a1576aaec822fdf5add |
| Publication page | ff5e9fecbe266ac6aa40ad4850d02ac23ff1234b9496ec9f9627c8d637f0292d |
| Manifest | 287aee3e57a68feb93d496aa09d67b0513d14134a957b60cdfc90d23f6037f74 |
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 | PhKq/V2zBRisL/R8jfM9In+Qo5c0kO3DYoA4sTp6rGeNJBhK9LrquhbqTeXat5ZiYYCeAs0gLTxhSIcV6uOvDg== |
| 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
| 2026-09-17T09:44:31.472889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090410observed ff5e9fecbe266ac6aa40ad4850d02ac2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:31.455859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090410/manifest.jsonobserved 287aee3e57a68feb93d496aa09d67b05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.438583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090410/publication.mdobserved 026e63f9dcd50d58ea7bb5c81f43be1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.419214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090410/publication.txtobserved d8950ff7b86137048ab50b782ceffe8b...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 |
|---|