OT-2026-000028873
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000028873) never changes.
Identity and time
| Publication number | OT-2026-000028873 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-740e-b319-dde47622c32a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028873 |
| Status | PUBLIC |
Content hashes
| Canonical text | c5d1babb49be308ab2ff9576878925d4e170560bda34e26b5fc7409f8bb4de00 |
|---|---|
| Markdown | 07e8052185fe68746ce46f9b67fb3a1f1716fc109de7d08bfcf311a42af4ce6f |
| Publication page | 74b14370fd0bb21986e88e26f90c9aed509a712efaaa1c8b49223498eaf3e135 |
| Manifest | 96baa112c2cbb979fd905964c46ea6a4e6139e052e4403be632982717c2ebf1a |
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 | cU9q+gbatlD/wneaotPVjvLC4QYV9KbZJkjZRdCbTaZKYMGkMPxR9D55rUbSwU+DMlNMGHEEvaCrhfv6c8ikCg== |
| 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
| 2026-09-17T08:20:12.996685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028873observed 74b14370fd0bb21986e88e26f90c9aed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:12.978573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028873/manifest.jsonobserved 96baa112c2cbb979fd905964c46ea6a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:12.961458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028873/publication.mdobserved 07e8052185fe68746ce46f9b67fb3a1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:12.942018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028873/publication.txtobserved c5d1babb49be308ab2ff9576878925d4...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. |
|---|