OT-2026-000055878
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before 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-2026-000055878) never changes.
Identity and time
| Publication number | OT-2026-000055878 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a49-71fc-ba43-ce47d14cf504 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055878 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1b253fea4a9fc8aba67e18e7400a42ef89cd50616478e57cceabcead0b64fab |
|---|---|
| Markdown | 81b4122420fd8b9265f9357bd7180cbb4a47f0cfe83038cc7386288baf4ca476 |
| Publication page | 76a367ffb664ceec7f6c1c757ecf894a2903be6a29ba64d01672d8117cf73c2c |
| Manifest | 76acb0055f8b0fab11ed59dbff92567ee005f41103cb8de05188970dca7a6bf4 |
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 | rJx4Elvx+FPKhsA5u3HULnWCZ/qwQsOlU5yh1L6FCYPKMsf/zQkj5i/RFeR6HVUvOEnnxKOTPx2StE5v/HqTBA== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:16.834055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055878observed 76a367ffb664ceec7f6c1c757ecf894a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:16.817801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055878/manifest.jsonobserved 76acb0055f8b0fab11ed59dbff92567e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:16.800393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055878/publication.mdobserved 81b4122420fd8b9265f9357bd7180cbb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:16.782026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055878/publication.txtobserved f1b253fea4a9fc8aba67e18e7400a42e...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. |
|---|