OT-2026-000091172
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000091172) never changes.
Identity and time
| Publication number | OT-2026-000091172 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16b-74bd-9241-c26d33759c1b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091172 |
| Status | PUBLIC |
Content hashes
| Canonical text | 51ea874a72262b42bd18903fe07befd0661f19af20eee367c7266c7ddbfb4d48 |
|---|---|
| Markdown | 6d7666f5c44c8f4f298c7c38fafa35727a4aa438bf3b0c7c391c8185eb1de41f |
| Publication page | f14f75a9836a98af9427a759f704f42f1c07bb0a9e017e32dacbea4ad3adcd50 |
| Manifest | 48563183f26b15b93a20abcdaaa9607b1126daeef2be67d8c1d4ad32501cbd37 |
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 | l8eMNuaxAoLTjoBpFS4Z8rTiNFxx/dc2XQA7H7M4sdmJeNRPIbGpY4Bv2Vn1AGpQeEMgBqLLYj0iGs7/FmdaBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:43:19.760573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091172observed f14f75a9836a98af9427a759f704f42f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:19.745251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091172/manifest.jsonobserved 48563183f26b15b93a20abcdaaa9607b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:19.726475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091172/publication.mdobserved 6d7666f5c44c8f4f298c7c38fafa3572...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:19.708753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091172/publication.txtobserved 51ea874a72262b42bd18903fe07befd0...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. |
|---|