OT-2026-000057472
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer
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-2026-000057472) never changes.
Identity and time
| Publication number | OT-2026-000057472 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2692-7965-87db-0184807d9f03 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057472 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e3ef60fc7ab141ef01caf738dbb8bf3c67524aa94a5be3322e635218555edbb |
|---|---|
| Markdown | e13594c367f047ed7f3fe36ad7fb0caea7f76df124817b172ef12b9ede5c3a65 |
| Publication page | fc4733f009b8381460f0f69bdc9beb381431cc35761ef3f8fa3c85f982db0d63 |
| Manifest | a3f3fa50dd06457b52b95ab9d13172e5e23338a27520c79693f36d0d3bf45f09 |
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 | B+KZZ3gvcph2Id/sUKR9DhI+zcAalu6HrwfjHW+csGa6u9T0FKCsN9qibKziSKMLsTQWpFM4cpf1488isAg/Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:47:59.436426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057472observed fc4733f009b8381460f0f69bdc9beb38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:59.416577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057472/manifest.jsonobserved a3f3fa50dd06457b52b95ab9d13172e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:59.396076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057472/publication.mdobserved e13594c367f047ed7f3fe36ad7fb0cae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:59.377731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057472/publication.txtobserved 5e3ef60fc7ab141ef01caf738dbb8bf3...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. |
|---|