OT-2026-000003989
Publication integrity record
Vacuum cup gripper, three zone face, two outlet manifold, ejector fed, contact triggered, rubber 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-2026-000003989) never changes.
Identity and time
| Publication number | OT-2026-000003989 · never reused |
|---|---|
| Internal UUID | 01a0a90c-7995-7654-824c-87118201bcce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:22.199781Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003989 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4755e5ec92aa08b9703dd5d2bbd3272d0cff53163624a0249604aa8565883ff |
|---|---|
| Markdown | 318ff97301ec2deb6a017a842599e84810239118b4a8b700a102021fca14e96a |
| Publication page | 4c1c4ce1727ae81a18a32e19195de0806fcd2f67e76f17494ab64d6c9efa10ed |
| Manifest | eb7eae432758ed0e5976af00b380693a5e0a78b7e88e5e8e25015ff4fe6a6e94 |
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 | ISDu2SvyoqWfUzPQfieK5XqqYQHT75FQrWdVcwSxFqOP1nEs7+oAzfNu2v3EpGFR3qlt7BPrnIN4nfYC0eFTDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:07.860723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003989observed 4c1c4ce1727ae81a18a32e19195de080...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.836044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003989/manifest.jsonobserved eb7eae432758ed0e5976af00b380693a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.817522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003989/publication.mdobserved 318ff97301ec2deb6a017a842599e848...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.802972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003989/publication.txtobserved a4755e5ec92aa08b9703dd5d2bbd3272...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. |
|---|