Pith Number

pith:3UOYACMV

pith:2019:3UOYACMV4S5BTV4JRJADUNWTO7

not attested not anchored not stored refs pending

Space-time reduced order model for large-scale linear dynamical systems with application to Boltzmann transport problems

Bill Arrighi, Peter Brown, Robert Anderson, Youngsoo Choi

arxiv:1910.01260 v1 · 2019-10-03 · 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{3UOYACMV4S5BTV4JRJADUNWTO7}

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	2026-07-05T00:09:28.562905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd1d800995e4ba19d7898a403a36d377f757be2f1e149aad2865c1ab05d89c0e

Aliases

arxiv: 1910.01260 · arxiv_version: 1910.01260v1 · doi: 10.48550/arxiv.1910.01260 · pith_short_12: 3UOYACMV4S5B · pith_short_16: 3UOYACMV4S5BTV4J · pith_short_8: 3UOYACMV

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/3UOYACMV4S5BTV4JRJADUNWTO7 \
  | 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: dd1d800995e4ba19d7898a403a36d377f757be2f1e149aad2865c1ab05d89c0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acb70384c39ade38eaa28a264195b724e271d0b7717ffc0676af89b8fcc760bf",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-10-03T00:14:32Z",
    "title_canon_sha256": "1b3c53bb8ae0d8421cd4ec6d7a95fe934add38c46928459c4d1af8492adbeb9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.01260",
    "kind": "arxiv",
    "version": 1
  }
}