Pith Number

pith:GDW2I4TY

pith:2013:GDW2I4TYR4RZQ2KNRRY4Y4XA5B

not attested not anchored not stored refs pending

Analysis of a class of degenerate parabolic equations with saturation mechanisms

Juan Calvo

arxiv:1312.4034 v5 · 2013-12-14 · 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{GDW2I4TYR4RZQ2KNRRY4Y4XA5B}

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	2026-05-18T00:52:04.498573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30eda472788f2398694d8c71cc72e0e86d5f86d7e35c101c8ae8000f08a62197

Aliases

arxiv: 1312.4034 · arxiv_version: 1312.4034v5 · doi: 10.48550/arxiv.1312.4034 · pith_short_12: GDW2I4TYR4RZ · pith_short_16: GDW2I4TYR4RZQ2KN · pith_short_8: GDW2I4TY

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/GDW2I4TYR4RZQ2KNRRY4Y4XA5B \
  | 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: 30eda472788f2398694d8c71cc72e0e86d5f86d7e35c101c8ae8000f08a62197

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca379981092d9d8092bbe26c0ecfb581fb56df40fc91219dbeb60f3ba268e80a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-12-14T12:07:22Z",
    "title_canon_sha256": "fdce650dcfc438b9bf9ef1e9ca35d9fcac77cf8462b49e9d6cfab6709811cc77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4034",
    "kind": "arxiv",
    "version": 5
  }
}