OT-2026-000028257
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000028257) never changes.
Identity and time
| Publication number | OT-2026-000028257 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7eb4-a98a-12052d0d17bf · 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-2026-000028257 |
| Status | PUBLIC |
Content hashes
| Canonical text | b3bef7a82c05fb64dadc8bf1b847145be58f04c49dbd6a55451c15b1f25e1941 |
|---|---|
| Markdown | ecb50edb9253df9243f34e183efde5c808b5cac68b6786804360d96039b0129a |
| Publication page | fe0a7b699b9f07fdbd6a102debdfdf33c1d1143f339ff9898104d5e773129e77 |
| Manifest | 245614970d13592cae794e8dbe3de053fd64977e853a036ec7baa617c3f1b1f9 |
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 | 91Y61q20gFOpmn7P1TqPO7aQmGkw11ainoqHMUDix15uhJZH6kpTDTI6vmXiT0xcnYeWcc9vyJLg3v5g296UAQ== |
| 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
| 2026-09-17T11:40:07.794664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028257observed fe0a7b699b9f07fdbd6a102debdfdf33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:07.768967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028257/manifest.jsonobserved 245614970d13592cae794e8dbe3de053...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.751084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028257/publication.mdobserved ecb50edb9253df9243f34e183efde5c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.733236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028257/publication.txtobserved b3bef7a82c05fb64dadc8bf1b847145b...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. |
|---|