OT-2026-000004392
Publication integrity record
Porous face vacuum gripper, two zone face, three stage ejector, pressure verified at each zone
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-2026-000004392) never changes.
Identity and time
| Publication number | OT-2026-000004392 · never reused |
|---|---|
| Internal UUID | 01a0a916-1c12-7b39-8eea-64a211a6b669 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:53.622016Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004392 |
| Status | PUBLIC |
Content hashes
| Canonical text | 52b2a5a7f340badf737fb62b56d502dc6971a91a862666fecbe6cbf5a221811e |
|---|---|
| Markdown | 7c7c7c0176c51288a9df8ee122393e2b180f4c63edcf7e15655816f997adcbbe |
| Publication page | b4c71617463b5554b7193eeabf1fa44a79593124758b8335afe35c5563553c58 |
| Manifest | 61f984499fbf4f90a2003c8a5d21be3fdf9a7003005da43dc790b801b9d6f738 |
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 | A1Q8EeQosr0/heCayDN1DzDFBKSx2kCkyWFPEmUxlcUqhDxCZlofRMI70uxqQ3xCmIZqZVlCT60KTHqDcfVNAg== |
| 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
| 2026-09-16T07:20:02.970201Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004392observed b4c71617463b5554b7193eeabf1fa44a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:02.956580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004392/manifest.jsonobserved 61f984499fbf4f90a2003c8a5d21be3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.942762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004392/publication.mdobserved 7c7c7c0176c51288a9df8ee122393e2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.928947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004392/publication.txtobserved 52b2a5a7f340badf737fb62b56d502dc...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. |
|---|