OT-2026-000028904
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000028904) never changes.
Identity and time
| Publication number | OT-2026-000028904 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-70c4-8bd4-f352e91fce20 · 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-2026-000028904 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4f3b033b4bd4413c84e7f2b389174913c5d32437f7481f13fdeb8ccf6d280d5 |
|---|---|
| Markdown | d5e1e4e20c05a6994b7b8a96cdb4a5e3cdd2bf66c0877ee17df908965ad71b60 |
| Publication page | 3f67cf5606627ed5ddad2ed2fe82cf42e7b29b5f45e0555d2736022feb16bda8 |
| Manifest | 10a19d0f37485e3787f91f4afd77b942bfe48dac3d784dfa8a84fd8890fb3b98 |
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 | QvxXe51F7wM1QlRlt7j/LGYpf5zE7EbBJLEPBLRsY1JQLiXR9eeh9qjesRiwL7OLPiCIiRYXwCkAueuheaD8Dg== |
| 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
| 2026-09-17T08:20:17.756058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028904observed 3f67cf5606627ed5ddad2ed2fe82cf42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:17.734817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028904/manifest.jsonobserved 10a19d0f37485e3787f91f4afd77b942...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:17.704396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028904/publication.mdobserved d5e1e4e20c05a6994b7b8a96cdb4a5e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:17.531754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028904/publication.txtobserved b4f3b033b4bd4413c84e7f2b38917491...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. |
|---|