OT-2026-000028016
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000028016) never changes.
Identity and time
| Publication number | OT-2026-000028016 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-75c1-bdbf-894820c0ef3d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028016 |
| Status | PUBLIC |
Content hashes
| Canonical text | a82641edaaa30cd544850b63e0fd51f1842496a5f25c3985d59d437b5fe95847 |
|---|---|
| Markdown | 538cabad48f4017256e9c6528cd52456a3f28bb1bfb8619deb5556bb1209fa30 |
| Publication page | c3922aa103c51a5e094320c919a5570dac0209df9dbe138f1a89c9c82c7671f4 |
| Manifest | 8e6713b602264f769fe5487f725c1bcbf3b3baa869d79daf26c39e8838752434 |
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 | DcminmrZp171Z1HNCoVdAIX7fI0iXvMuKc1z4va07ewY/aVwmsrsikeY13XSVzmPG6oq3gF37kMQEtV6I81iCg== |
| 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
| 2026-09-17T11:42:20.289843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028016observed c3922aa103c51a5e094320c919a5570d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:20.273934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028016/manifest.jsonobserved 8e6713b602264f769fe5487f725c1bcb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:20.255812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028016/publication.mdobserved 538cabad48f4017256e9c6528cd52456...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:20.237245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028016/publication.txtobserved a82641edaaa30cd544850b63e0fd51f1...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. |
|---|