OT-2026-000078004
Publication integrity record
Single bellows cup vacuum gripper, pump fed, vented after set-down
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-2026-000078004) never changes.
Identity and time
| Publication number | OT-2026-000078004 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7339-bd4c-644887e90254 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078004 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1170d32e9969a680bd7f504ceefb4c187a89dd5301ca66aab4c6e9f34a2a70a8 |
|---|---|
| Markdown | b65853ad2236b4b1695ad25491a963aecfa037a6e71f02933a72e55b4dd9b1ce |
| Publication page | 29645ccce3d65409c6cd97c8684a5026a8f41a19a02b1d90490a2619c678d517 |
| Manifest | b6c743a8b695248611730372f84a4b87db28572399c02205c1c5b21df3613ea7 |
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 | 4oPO3LDVWB7Ujdc6/GBrKWGDNhYMi5YTLyY2EjaCqigfgAkdtzPiedqpWnR5pn1IWGgjRcLnBTLW1RNVx5JwDA== |
| 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
| 2026-09-17T10:07:00.240119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078004observed 29645ccce3d65409c6cd97c8684a5026...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:07:00.222444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078004/manifest.jsonobserved b6c743a8b695248611730372f84a4b87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:00.202412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078004/publication.mdobserved b65853ad2236b4b1695ad25491a963ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:00.182890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078004/publication.txtobserved 1170d32e9969a680bd7f504ceefb4c18...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. |
|---|