Pith Number

pith:P5UCGQ5K

pith:2011:P5UCGQ5KPEWJBSS24LF2UODPPG

not attested not anchored not stored refs pending

Accurate numerical schemes for approximating initial-boundary value problems for systems of conservation laws

Laura V. Spinolo, Siddhartha Mishra

arxiv:1109.1446 v1 · 2011-09-07 · 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{P5UCGQ5KPEWJBSS24LF2UODPPG}

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	2026-05-18T04:13:55.696782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f682343aa792c90ca5ae2cbaa386f79a456c584cdcf8ed732e0c8e953034979

Aliases

arxiv: 1109.1446 · arxiv_version: 1109.1446v1 · doi: 10.48550/arxiv.1109.1446 · pith_short_12: P5UCGQ5KPEWJ · pith_short_16: P5UCGQ5KPEWJBSS2 · pith_short_8: P5UCGQ5K

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/P5UCGQ5KPEWJBSS24LF2UODPPG \
  | 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: 7f682343aa792c90ca5ae2cbaa386f79a456c584cdcf8ed732e0c8e953034979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7288affaa0e8c49601061f33ecc3894fc0f125322ede0cc585b044264614339",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-09-07T13:22:28Z",
    "title_canon_sha256": "e73eccc139b595db730853a33003f63b5492256850e8b967b54e990f00eff81b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1446",
    "kind": "arxiv",
    "version": 1
  }
}