OT-2026-000028281
Publication integrity record
Three cup vacuum gripper, three outlet manifold, 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-2026-000028281) never changes.
Identity and time
| Publication number | OT-2026-000028281 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7517-98ef-e1f1a9e26cb7 · 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-2026-000028281 |
| Status | PUBLIC |
Content hashes
| Canonical text | 50cef1ebd63ab9e5425f83a8227ce8149d77fcc024a7af3eae21c8d3ba42ed84 |
|---|---|
| Markdown | b1aa118a3550bf88a5a18b1a19572f159b8f435567ebf056bb15bbf5e45d6485 |
| Publication page | 13082f58f6c084f8458e0a6d6b083ba4dd61ba69bbadbbc4f8ee517530487f99 |
| Manifest | 0a5dc98ed7740e83b5498aef46a38e28b4bd6fa39defc4707e3e2696fb7560a6 |
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 | tG06i2QZSEe3wXNA4CqdoZApNw39KsFwEpm5CWY2uI41Y4AnoA3Cvdl8HJS6kxZQMn0PXBm8TMRqEBsoNnspDg== |
| 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
| 2026-09-17T11:40:09.454404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028281observed 13082f58f6c084f8458e0a6d6b083ba4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:09.436934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028281/manifest.jsonobserved 0a5dc98ed7740e83b5498aef46a38e28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.420443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028281/publication.mdobserved b1aa118a3550bf88a5a18b1a19572f15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.402886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028281/publication.txtobserved 50cef1ebd63ab9e5425f83a8227ce814...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. |
|---|