Pith Number

pith:FNUQAHQX

pith:2012:FNUQAHQXWG552AMTUC6I45MBUX

not attested not anchored not stored refs pending

A Uniform Algorithm for All-Speed Shock-Capturing Schemes

Xue-Song Li

arxiv:1201.1553 v2 · 2012-01-07 · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNUQAHQXWG552AMTUC6I45MBUX}

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	2026-05-18T01:36:31.898293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b69001e17b1bbdd0193a0bc8e7581a5df49eae1db4e0c455814b2cb31952f67

Aliases

arxiv: 1201.1553 · arxiv_version: 1201.1553v2 · doi: 10.48550/arxiv.1201.1553 · pith_short_12: FNUQAHQXWG55 · pith_short_16: FNUQAHQXWG552AMT · pith_short_8: FNUQAHQX

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/FNUQAHQXWG552AMTUC6I45MBUX \
  | 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: 2b69001e17b1bbdd0193a0bc8e7581a5df49eae1db4e0c455814b2cb31952f67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4e3f7f4888e5ac10ff3fe2e0d5ff7ca1cd01bea77eff70804dfba72625e5225",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2012-01-07T12:57:55Z",
    "title_canon_sha256": "1274c128eef34a645265e69615fd6f1c0da282cfb9611280e9e2f054560c9502"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1553",
    "kind": "arxiv",
    "version": 2
  }
}