OT-2026-000004396
Publication integrity record
Porous face vacuum gripper, common isolation valve, pump fed, pressure verified, vented after set down
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-2026-000004396) never changes.
Identity and time
| Publication number | OT-2026-000004396 · never reused |
|---|---|
| Internal UUID | 01a0a916-3d9b-7853-861a-a29051f7ce25 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:20:02.206577Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004396 |
| Status | PUBLIC |
Content hashes
| Canonical text | d313a76c74743b7d73aae3a27b1b646e182070611d759a890f0059aa4ae8753c |
|---|---|
| Markdown | 17c97d454d6f604db4db97a37d3f92b4ae0e1c424eff8a6a7cdf0916128605d9 |
| Publication page | 549834fe8a8406ca5af3fde8f448ab95e8af6f220914921d5eaefd72da63c166 |
| Manifest | d3e10ab6c42eb161eca086ec029ca5428de3a726f401a009863c3af09d262fe0 |
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 | eXjNA2RmCE/f6xVVC1dgIpKTv5Q6zntIvGW7u/jTERp4ICUuXg8z6WhHKenCavbYpl/nfuGfDWWwCTJw/+pNCA== |
| 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
| 2026-09-16T07:30:32.393606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004396observed 549834fe8a8406ca5af3fde8f448ab95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:32.380008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004396/manifest.jsonobserved d3e10ab6c42eb161eca086ec029ca542...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:32.242089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004396/publication.mdobserved 17c97d454d6f604db4db97a37d3f92b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:32.228975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004396/publication.txtobserved d313a76c74743b7d73aae3a27b1b646e...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. |
|---|