Pith Number

pith:JUXX3B36

pith:2015:JUXX3B36CQ3HX3EGFVNDLH7E4A

not attested not anchored not stored refs pending

Existence results for a fourth order partial differential equation arising in condensed matter physics

Carlos Escudero, Filippo Gazzola, Ireneo Peral, Pedro J. Torres, Robert Hakl

arxiv:1503.06732 v1 · 2015-03-23 · math.AP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JUXX3B36CQ3HX3EGFVNDLH7E4A}

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	2026-05-18T01:17:55.608692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d2f7d877e14367bec862d5a359fe4e02ce206ef9561c0a0bd498d469ecf3bec

Aliases

arxiv: 1503.06732 · arxiv_version: 1503.06732v1 · doi: 10.48550/arxiv.1503.06732 · pith_short_12: JUXX3B36CQ3H · pith_short_16: JUXX3B36CQ3HX3EG · pith_short_8: JUXX3B36

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/JUXX3B36CQ3HX3EGFVNDLH7E4A \
  | 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: 4d2f7d877e14367bec862d5a359fe4e02ce206ef9561c0a0bd498d469ecf3bec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29fc41ce8e932b4f9d7aa64aa45491c314ee1972e745d5f76711ee425467aa1f",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-03-23T17:20:21Z",
    "title_canon_sha256": "442ba98644e337d6f164d65671ad15cc2fda95e518ea28f73ebc571733f9782c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06732",
    "kind": "arxiv",
    "version": 1
  }
}