OT-2026-000103981
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000103981) never changes.
Identity and time
| Publication number | OT-2026-000103981 · never reused |
|---|---|
| Internal UUID | 01a0aea5-15e8-708e-aa78-549297be9d53 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:14:09.781581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 04d8a4d1ed4946a6418a52d806cced8027142d8dcc3952b0be5dcb5635b8608b |
|---|---|
| Markdown | 40f6b0e907644b3c7e9a96721f357783be588c1a6bfe9a5586bb9ff911fa5c64 |
| Publication page | b54dc048df0faa83202094f597dbdc6a93d012084fc16688d16f10df9fe19ac8 |
| Manifest | 3a217c71f68239a8745da8c4941ff48510153f94cf3c13aa35c49ecb4899d580 |
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 | 7nhOAVVmwMII60fU+1zDW2/1oVbTeFZl/O+bGtBk9RVuzO1zjQPqrhBX9+2oSiKKwquveFdHICzoA19CZHuWBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:21:59.132223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103981observed b54dc048df0faa83202094f597dbdc6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:21:59.115533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103981/manifest.jsonobserved 3a217c71f68239a8745da8c4941ff485...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:21:59.097508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103981/publication.mdobserved 40f6b0e907644b3c7e9a96721f357783...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:21:59.076766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103981/publication.txtobserved 04d8a4d1ed4946a6418a52d806cced80...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. |
|---|