Pith Number

pith:6FX2LXK2

pith:2022:6FX2LXK2HDGBFMPRFHW3CAPP32

not attested not anchored not stored refs pending

Machine-learning of nonlocal kernels for anomalous subsurface transport from breakthrough curves

Christian Glusa, John T. Foster, Marta D'Elia, Xiao Xu

arxiv:2201.11146 v2 · 2022-01-26 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6FX2LXK2HDGBFMPRFHW3CAPP32}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

When Rough Data Helps: A Phase Transition in Convergence Rates for Kernel Recovery in Integral Operators

Receipt and verification

First computed	2026-07-05T03:52:35.476387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f16fa5dd5a38cc12b1f129edb101efde873f1b5431bec11f2293914276bd9e3e

Aliases

arxiv: 2201.11146 · arxiv_version: 2201.11146v2 · doi: 10.48550/arxiv.2201.11146 · pith_short_12: 6FX2LXK2HDGB · pith_short_16: 6FX2LXK2HDGBFMPR · pith_short_8: 6FX2LXK2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6FX2LXK2HDGBFMPRFHW3CAPP32 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f16fa5dd5a38cc12b1f129edb101efde873f1b5431bec11f2293914276bd9e3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72a516fc4116c177e22a8878f0ba69f883e4d98b0c369ee55aa394333953ca07",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-01-26T19:06:14Z",
    "title_canon_sha256": "d31551ebeebb02523802225763c80593e4b30477e3685c6e7f06e930ea65f765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11146",
    "kind": "arxiv",
    "version": 2
  }
}