Pith Number

pith:VKALYYNA

pith:2019:VKALYYNAP6OSIDJLA5Y6FM7ITM

not attested not anchored not stored refs pending

Parametric Interpolation Framework for Scalar Conservation Laws

Geoffrey McGregor, Jean-Christophe Nave

arxiv:1910.13486 v1 · 2019-10-29 · 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{VKALYYNAP6OSIDJLA5Y6FM7ITM}

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	2026-07-05T00:15:52.313397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa80bc61a07f9d240d2b0771e2b3e89b2e871235c1dfde8710e670747b3ad5d5

Aliases

arxiv: 1910.13486 · arxiv_version: 1910.13486v1 · doi: 10.48550/arxiv.1910.13486 · pith_short_12: VKALYYNAP6OS · pith_short_16: VKALYYNAP6OSIDJL · pith_short_8: VKALYYNA

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/VKALYYNAP6OSIDJLA5Y6FM7ITM \
  | 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: aa80bc61a07f9d240d2b0771e2b3e89b2e871235c1dfde8710e670747b3ad5d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffef6640dc34aabfaf2b11d120b2d4d73101fb841b17576952ad45d0f5ac751f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-10-29T19:19:18Z",
    "title_canon_sha256": "df6d21fdc2a7e50ad38f5ab1ffe91cb66ebe4940d88706cf39c2c21700fdd0f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13486",
    "kind": "arxiv",
    "version": 1
  }
}