OT-2026-000004156
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, three stage ejector, pressure verified
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-2026-000004156) never changes.
Identity and time
| Publication number | OT-2026-000004156 · never reused |
|---|---|
| Internal UUID | 01a0a90f-a288-780e-80eb-1a72d0c00af7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:49.291606Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004156 |
| Status | PUBLIC |
Content hashes
| Canonical text | bcae5ba5cedfa5f6357f8f6b4f5c098a0c33a2ff07c40c008b3a1ed35a0e6315 |
|---|---|
| Markdown | efbef5a1ace8a26314f9d3bb2bd3a6ebd5d6e476d4ddcc427c27b375ecc134ea |
| Publication page | 542c117cace47b9d08549640c27b01a757d0860d26b1a2ade93056ec6c5435e9 |
| Manifest | 55cc00f672d620d16bff1e20c7cb58f3205a31d94dfae307cb7734f8c9869250 |
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 | 8pvD1XGbWpPYNgB52iwvMv/c3r9cvFKC/IBOFD8cKjluyz5D+/6W+0yUXw59wLh2ypM7SvmimQvJYMyLcOUSBw== |
| 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
| 2026-09-16T07:20:30.008142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004156observed 542c117cace47b9d08549640c27b01a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:29.995541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004156/manifest.jsonobserved 55cc00f672d620d16bff1e20c7cb58f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:29.982908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004156/publication.mdobserved efbef5a1ace8a26314f9d3bb2bd3a6eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:29.970214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004156/publication.txtobserved bcae5ba5cedfa5f6357f8f6b4f5c098a...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. |
|---|