OT-2026-000028633
Publication integrity record
Two cup vacuum gripper, two 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-2026-000028633) never changes.
Identity and time
| Publication number | OT-2026-000028633 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7873-b515-a5d2a909cb2c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028633 |
| Status | PUBLIC |
Content hashes
| Canonical text | c74db01457d1b76e11b8e5dca0bbfcb075da8d4f313501ec22be5fafee9d6538 |
|---|---|
| Markdown | cdde59001ac32f9713b2b6d31e7adcdfa4b8bd5581f8edc4d77a8903ae6fbb0d |
| Publication page | 6a17a2e077c74d3af563f6106298496c27fdede17c88ccca37277f529af6c971 |
| Manifest | 23f0461bde230dd8c4f71f8f5e11f31604e4554b5e04b5602c67acb27585f2b8 |
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 | vkENJuevPhRVwmet4QmNprrKRv7XFPHz9EBR+Nbebn3cdrgDZwH1/JEnG0bhmFfUMFo/WNwE4wqv8zgdRWjKDQ== |
| 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
| 2026-09-17T11:41:30.135940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028633observed 6a17a2e077c74d3af563f6106298496c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:30.118410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028633/manifest.jsonobserved 23f0461bde230dd8c4f71f8f5e11f316...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.099668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028633/publication.mdobserved cdde59001ac32f9713b2b6d31e7adcdf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.081395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028633/publication.txtobserved c74db01457d1b76e11b8e5dca0bbfcb0...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. |
|---|