OT-2026-000028618
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000028618) never changes.
Identity and time
| Publication number | OT-2026-000028618 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7c3e-a098-09c7f4d3ae3f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028618 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7f2c09d8ec4de1876de5cbcf9c6c8e5ef1bde98119a0ab79ed7845dd904c5dc |
|---|---|
| Markdown | 6f7f9c008041e867216888520f64c5b98ec08ed617e8f5fb9c95a7532f75de42 |
| Publication page | bcc615e6bbaa9c8ed7b07a283597e5f79885eb41754c7d63a5710346c90d1c05 |
| Manifest | ee71c7f594ce9fad4855da46514d4743ac8a1840c242993c36c4594d239df25b |
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 | Ydq3O5ZKQSuQai7k6zgrhaRWH/qE2eX7kySbzsLrUgiq8cH2KlhgMlC3NCmG89dfIOsh/jzBd0vEgops/DVODw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:41:28.948282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028618observed bcc615e6bbaa9c8ed7b07a283597e5f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:28.926653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028618/manifest.jsonobserved ee71c7f594ce9fad4855da46514d4743...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.902666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028618/publication.mdobserved 6f7f9c008041e867216888520f64c5b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.884048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028618/publication.txtobserved a7f2c09d8ec4de1876de5cbcf9c6c8e5...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. |
|---|