OT-2026-000007405
Publication integrity record
Vacuum cup gripper, three zone face, ejector fed, pressure verified at each zone, silicone cups
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-2026-000007405) never changes.
Identity and time
| Publication number | OT-2026-000007405 · never reused |
|---|---|
| Internal UUID | 01a0a97d-96a3-7746-aa41-9ce53830c3d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:12:55.206010Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007405 |
| Status | PUBLIC |
Content hashes
| Canonical text | ddfb7bfdd115139f55eba09edaa99b7c3019ac799fad0aa8068a8e3f7a82189d |
|---|---|
| Markdown | 7791b70a5eb4e854c8400a1c0015b3e4a5e3af1cd4e4a48933730b23f94d84c3 |
| Publication page | 47b3ee4eee55f338ee06fdfbbfffb5d94874f26a29e1fbd10792760dde439055 |
| Manifest | 7c4515c9e66c4bca23984d445bd5d2ca15005680981d9852e1b5048172807b8c |
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 | InWKujkGX0012ucUloMog2h6fMx8bvEzea4nt8zBgVRJk0IUvSKFpNCpAQUNo+LCRwcBYD+iN3o84fsVVxiTBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:07.234010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007405observed 47b3ee4eee55f338ee06fdfbbfffb5d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:07.219424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007405/manifest.jsonobserved 7c4515c9e66c4bca23984d445bd5d2ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:07.202801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007405/publication.mdobserved 7791b70a5eb4e854c8400a1c0015b3e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:07.187202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007405/publication.txtobserved ddfb7bfdd115139f55eba09edaa99b7c...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
| Custody package | Pending Custody packages are produced weekly. |
|---|