Pith Number

pith:UM4Y4D4V

pith:2017:UM4Y4D4VZHLYRK2XP5YEOQFZ4B

not attested not anchored not stored refs pending

3D B_2 Model for Radiative Transfer Equation Part I: Modelling

2), (2) State Key Laboratory of Space Weather, Beijing), Chinese Academy of Sciences, Peking University, Ruo Li (1, Weiming Li (1) ((1) School of Mathematical Sciences

arxiv:1701.03864 v2 · 2017-01-14 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UM4Y4D4VZHLYRK2XP5YEOQFZ4B}

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	2026-05-18T00:43:29.237085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3398e0f95c9d788ab577f704740b9e07d956ee8cdc27ba2fb54cd85c8e4bcbd

Aliases

arxiv: 1701.03864 · arxiv_version: 1701.03864v2 · doi: 10.48550/arxiv.1701.03864 · pith_short_12: UM4Y4D4VZHLY · pith_short_16: UM4Y4D4VZHLYRK2X · pith_short_8: UM4Y4D4V

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/UM4Y4D4VZHLYRK2XP5YEOQFZ4B \
  | 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: a3398e0f95c9d788ab577f704740b9e07d956ee8cdc27ba2fb54cd85c8e4bcbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "089bd6bf0f2acd60355fb9af8458dae801438773583cbc61f22ae67b55e13c87",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-01-14T01:44:33Z",
    "title_canon_sha256": "111eba3218f45de5b401a302ed5c8beff2b9aad2a49762dfb6c5350d9b372deb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03864",
    "kind": "arxiv",
    "version": 2
  }
}