OT-2026-000003843
Publication integrity record
Porous face vacuum gripper, common isolation valve, four outlet manifold, ejector fed, 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-2026-000003843) never changes.
Identity and time
| Publication number | OT-2026-000003843 · never reused |
|---|---|
| Internal UUID | 01a0a90b-39fa-7b67-be62-2cef8865fd6a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:00.382625Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003843 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5a712273c902232c4c41ca3fe8097ae91cba54fb3e4b34c6ec738a602b6a5cb5 |
|---|---|
| Markdown | 17901b1f83a4952e14b8e2e88af258444c6495398c661ea51cbb75736222ac70 |
| Publication page | 33890cafb7c2990ece0cde65cbc12afd4f9697bb4f31a6bc2b2dc146bdedf6c7 |
| Manifest | 844d0626c6f6356bf86d5ebace29a8c33e2a0a048c39b7d642de97fc5a227ae0 |
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 | pBocZMYQJKSah8/ny/plX2iNGBqLcVYsKjy3gtrhAfc6PtciVHY0mmxKPq6fatOWw1FGYaPb4YMUXBvg5CazCA== |
| 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
| 2026-09-16T07:10:17.022443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003843observed 33890cafb7c2990ece0cde65cbc12afd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:17.009358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003843/manifest.jsonobserved 844d0626c6f6356bf86d5ebace29a8c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:16.991561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003843/publication.mdobserved 17901b1f83a4952e14b8e2e88af25844...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:16.975208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003843/publication.txtobserved 5a712273c902232c4c41ca3fe8097ae9...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. |
|---|