OT-2026-000052174
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000052174) never changes.
Identity and time
| Publication number | OT-2026-000052174 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e790-79bd-8aaf-83908644a982 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052174 |
| Status | PUBLIC |
Content hashes
| Canonical text | f10ca902b4403afbc45451347aa03506c479af72c66b68feaa81c44b1ea88b13 |
|---|---|
| Markdown | a6e08b4ee0b82c1651f239189ee515df5fd705dd7dcaf159d852728f544066f8 |
| Publication page | e4402d461edee6f2ebc37ded11a5313ab5ed4b16c9667cbdc24bb3bb60d1afc2 |
| Manifest | 1b5317b148b4c63c19a191a7893a118ab48487fea6c159ba362b8ed3f7437b65 |
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 | 0WXtk3mZlWgWfRnuGbguj3CgKnCu1shEIPLx9n37BNIbYSgMSWIyIGuuq3RDK+IXuWBE2jTrTvLuZp1Yh7L7DQ== |
| 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
| 2026-09-17T10:57:44.044436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052174observed e4402d461edee6f2ebc37ded11a5313a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:44.025275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052174/manifest.jsonobserved 1b5317b148b4c63c19a191a7893a118a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:44.004408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052174/publication.mdobserved a6e08b4ee0b82c1651f239189ee515df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:43.986399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052174/publication.txtobserved f10ca902b4403afbc45451347aa03506...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. |
|---|