OT-2026-000028789
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000028789) never changes.
Identity and time
| Publication number | OT-2026-000028789 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7723-bfb1-ab51fc6bb6de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028789 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2a2b83ec612b67f13687ab039222436034065fd47f5c1ff001d391d42b8e1dd8 |
|---|---|
| Markdown | 1deab150cead7e85786e583dfe79d9720e4d14159d0a6b27367ccfffced57499 |
| Publication page | 1f238f32cdd2a268cb2844fb45184914a8fe28932c5e7c2e4cb6d548a6476b81 |
| Manifest | 06efcb47e7d21bbbe4a5fe297fd3db2057f184f9763f9e22f1b32f374d52e0db |
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 | vI86Fcz/9ouez144ELLDta1FL4DooffhB7lZTrgeCdhIOCtMiaAz1urY8FWtMjqmCf2CkyJ/vWUjXh/AyY/dBA== |
| 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
| 2026-09-17T11:40:02.518831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028789observed 1f238f32cdd2a268cb2844fb45184914...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:02.497850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028789/manifest.jsonobserved 06efcb47e7d21bbbe4a5fe297fd3db20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:02.478207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028789/publication.mdobserved 1deab150cead7e85786e583dfe79d972...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:02.457025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028789/publication.txtobserved 2a2b83ec612b67f13687ab0392224360...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. |
|---|