Pith Number

pith:64PYJXZK

pith:2011:64PYJXZKUJGSBGY6YXL2TSJN6N

not attested not anchored not stored refs pending

A finite volume scheme for nonlinear degenerate parabolic equations

Francis Filbet (ICJ), Marianne Bessemoulin-Chatard (LMBP)

arxiv:1111.1092 v2 · 2011-11-04 · math.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{64PYJXZKUJGSBGY6YXL2TSJN6N}

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	2026-05-17T23:48:12.562533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f71f84df2aa24d209b1ec5d7a9c92df34e5b3fc32d0c741a760b87a25aff89d7

Aliases

arxiv: 1111.1092 · arxiv_version: 1111.1092v2 · doi: 10.48550/arxiv.1111.1092 · pith_short_12: 64PYJXZKUJGS · pith_short_16: 64PYJXZKUJGSBGY6 · pith_short_8: 64PYJXZK

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/64PYJXZKUJGSBGY6YXL2TSJN6N \
  | 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: f71f84df2aa24d209b1ec5d7a9c92df34e5b3fc32d0c741a760b87a25aff89d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8765bf1d649a1ee379c5144bdac839c2c4470fa13f43c147025f7337020b0408",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-11-04T10:48:39Z",
    "title_canon_sha256": "32c19a7f8012d000acbac4de4fe1927a6ab27991b7dd36fe0eedb24d24196736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1092",
    "kind": "arxiv",
    "version": 2
  }
}