OT-2026-000042546
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000042546) never changes.
Identity and time
| Publication number | OT-2026-000042546 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-78d3-a098-4aa9afc37489 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042546 |
| Status | PUBLIC |
Content hashes
| Canonical text | 743c2d3c9f69a8dbaaeecdc8a308668bef1d72d17dae3b1e4cef1d7a0249baa6 |
|---|---|
| Markdown | f943431c00cba0c6e17c3f6682fbb6d2832e571157c9dff53d60d0a72652dc92 |
| Publication page | 4216959961b40540b3203d80ae8f3594e2f3c9d1354badb721ae6793073ad51f |
| Manifest | a4fba1fe9ec73b7ab2a892f43936c4092cff60903e93355855d005ca3fdde735 |
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 | ORXeCzfIE69Lv44B+D5aM2O/zST29o1iJ+uvMgzV3dYeyNvV80ReGJNx8kaahn7Kv6oJUGIzz1QETuW6bw6WCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:14:15.065773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042546observed 4216959961b40540b3203d80ae8f3594...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:15.046061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042546/manifest.jsonobserved a4fba1fe9ec73b7ab2a892f43936c409...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:15.027354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042546/publication.mdobserved f943431c00cba0c6e17c3f6682fbb6d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:15.007055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042546/publication.txtobserved 743c2d3c9f69a8dbaaeecdc8a308668b...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. |
|---|