OT-2026-000054172
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054172) never changes.
Identity and time
| Publication number | OT-2026-000054172 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a8-7b6b-9bc3-470042a4351a · 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-2026-000054172 |
| Status | PUBLIC |
Content hashes
| Canonical text | a3a7408c761c784666dd6d7acc3d9f64c576de2fd6de008589d1b9a64ba4f3fb |
|---|---|
| Markdown | 1d7075f81314dce87920a1fc3024c51140fd0ebcd69038caa0c52bb972988f43 |
| Publication page | cd445f2c5215d36ca2f7339bef973ca596608596377d6b538381bc5cfb5f8c8f |
| Manifest | 187d0426f42a499c731d33e6a05ad06a37fb54091c879c53f17dfdd56f9d98ed |
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 | vYT4N+MURW9PCJU+x/roCMWer2o05ZmqOHaijc/tlvkOGErqXeNY4HGZCYBHFUAOMiceNzlw4QQu+0Dd02AKBA== |
| 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
| 2026-09-17T10:54:37.088648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054172observed cd445f2c5215d36ca2f7339bef973ca5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:37.069260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054172/manifest.jsonobserved 187d0426f42a499c731d33e6a05ad06a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:37.049419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054172/publication.mdobserved 1d7075f81314dce87920a1fc3024c511...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:37.029640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054172/publication.txtobserved a3a7408c761c784666dd6d7acc3d9f64...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. |
|---|