OT-2026-000054217
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000054217) never changes.
Identity and time
| Publication number | OT-2026-000054217 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-7f7a-8657-3ab3412bf414 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054217 |
| Status | PUBLIC |
Content hashes
| Canonical text | da4aaeba46604a248b74b075589b34bf8c517445c8ba068329011e6e22e30fca |
|---|---|
| Markdown | 460ce466bdbb88bdb33b0e0da4dc61fa5eae8f15f1c7a858f85c4388fe426649 |
| Publication page | 269e77664ce2c813862cad7488d341a6407ebef0e8fe644c0c4cc0f9b7d0594f |
| Manifest | ea866aa789c03d9161d081cf62c8524d7fd613b6ddf66c04ed3e34ebcb6a3592 |
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 | Lq9oH6x1fnF6FKMyWpewdDY04+Bg/gS+EZPv2aYtelwHnsZ/bExXMIi2H06C//mPoLqF5xF3RnRKgmTVIvPyDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:54:36.329993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054217observed 269e77664ce2c813862cad7488d341a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:36.310839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054217/manifest.jsonobserved ea866aa789c03d9161d081cf62c8524d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:36.292001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054217/publication.mdobserved 460ce466bdbb88bdb33b0e0da4dc61fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:36.273980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054217/publication.txtobserved da4aaeba46604a248b74b075589b34bf...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. |
|---|