Pith Number

pith:SUBHG5WM

pith:2017:SUBHG5WMOAX54UVFGA2C7KDOS7

not attested not anchored not stored refs pending

Conservative model reduction for finite-volume models

Kevin Carlberg, Syuzanna Sargsyan, Youngsoo Choi

arxiv:1711.11550 v3 · 2017-11-30 · 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{SUBHG5WMOAX54UVFGA2C7KDOS7}

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	2026-05-18T00:11:39.774165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95027376cc702fde52a530342fa86e97c5ec25a37ac8224c1c9db9b268533bd3

Aliases

arxiv: 1711.11550 · arxiv_version: 1711.11550v3 · doi: 10.48550/arxiv.1711.11550 · pith_short_12: SUBHG5WMOAX5 · pith_short_16: SUBHG5WMOAX54UVF · pith_short_8: SUBHG5WM

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/SUBHG5WMOAX54UVFGA2C7KDOS7 \
  | 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: 95027376cc702fde52a530342fa86e97c5ec25a37ac8224c1c9db9b268533bd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f155b167e26ad559c183da975135fb6da97508026a9947ef36fc83659b9af2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-11-30T18:12:50Z",
    "title_canon_sha256": "e916c6205881998e281bb9538fd4c93170197fed68b273ffc61f8c9d0a396a0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.11550",
    "kind": "arxiv",
    "version": 3
  }
}