Pith Number

pith:SC7OMFQW

pith:2019:SC7OMFQWV6HZCYJVX6S5NO2UPF

not attested not anchored not stored refs pending

Positive asymptotic preserving approximation of the radiation transport equation

Bojan Popov, Jean-Luc Guermond, Jean Ragusa

arxiv:1905.03390 v1 · 2019-05-08 · math.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{SC7OMFQWV6HZCYJVX6S5NO2UPF}

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

Low-memory, discrete ordinates, discontinuous Galerkin methods for radiative transport

Receipt and verification

First computed	2026-05-17T23:46:40.124145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90bee61616af8f916135bfa5d6bb5479695b8b66f4154ac8f474dd1e12c48157

Aliases

arxiv: 1905.03390 · arxiv_version: 1905.03390v1 · doi: 10.48550/arxiv.1905.03390 · pith_short_12: SC7OMFQWV6HZ · pith_short_16: SC7OMFQWV6HZCYJV · pith_short_8: SC7OMFQW

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/SC7OMFQWV6HZCYJVX6S5NO2UPF \
  | 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: 90bee61616af8f916135bfa5d6bb5479695b8b66f4154ac8f474dd1e12c48157

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16dd9308483a85d55b9d88625b4351fb1953a4372a0d3f559ea7275b1714bc09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-08T23:40:08Z",
    "title_canon_sha256": "8709cd5516189175907bb7352597b0c87a07ffebc8ce82084d34fb57a7e72ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03390",
    "kind": "arxiv",
    "version": 1
  }
}