Pith Number

pith:XF66MFZT

pith:2021:XF66MFZTE2UO2VOXF4UIP3FWTM

not attested not anchored not stored refs pending

Machine learning moment closure models for the radiative transfer equation II: enforcing global hyperbolicity in gradient based closures

Andrew J. Christlieb, Juntao Huang, Luke F. Roberts, Wen-an Yong, Yingda Cheng

arxiv:2105.14410 v1 · 2021-05-30 · math.NA · cs.LG · cs.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XF66MFZTE2UO2VOXF4UIP3FWTM}

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.

Receipt and verification

First computed	2026-07-05T02:44:23.617529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b97de6173326a8ed55d72f2887ecb69b1ba8c949cfe13dd32a9c2e1f54ed714b

Aliases

arxiv: 2105.14410 · arxiv_version: 2105.14410v1 · doi: 10.48550/arxiv.2105.14410 · pith_short_12: XF66MFZTE2UO · pith_short_16: XF66MFZTE2UO2VOX · pith_short_8: XF66MFZT

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/XF66MFZTE2UO2VOXF4UIP3FWTM \
  | 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: b97de6173326a8ed55d72f2887ecb69b1ba8c949cfe13dd32a9c2e1f54ed714b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1688b59328849d434ded89ebca2f1c457ac7f132bd5775817486a6dfeb6d409e",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-05-30T02:10:59Z",
    "title_canon_sha256": "b133055d5c51c7587c985ac76b8a669484268825abf60980d5374064595da9cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14410",
    "kind": "arxiv",
    "version": 1
  }
}