Pith Number

pith:2R4BZQNI

pith:2026:2R4BZQNI6FG3JQWBLQYWBDB7AM

not attested not anchored not stored refs pending

An anisotropic Serrin's problem in general domains

Alessio Figalli, Yi Ru-Ya Zhang

arxiv:2603.06119 v2 · 2026-03-06 · 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{2R4BZQNI6FG3JQWBLQYWBDB7AM}

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	2026-06-23T02:12:47.551366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4781cc1a8f14db4c2c15c31608c3f030505df587c23c88be4c21f4813103e9a

Aliases

arxiv: 2603.06119 · arxiv_version: 2603.06119v2 · doi: 10.48550/arxiv.2603.06119 · pith_short_12: 2R4BZQNI6FG3 · pith_short_16: 2R4BZQNI6FG3JQWB · pith_short_8: 2R4BZQNI

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/2R4BZQNI6FG3JQWBLQYWBDB7AM \
  | 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: d4781cc1a8f14db4c2c15c31608c3f030505df587c23c88be4c21f4813103e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38f1ed04c556e13b0e62b49d6398ac34b31ad2eca4aaa5b5bb60a8fdbac635dd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-03-06T10:23:20Z",
    "title_canon_sha256": "ab7a634635099a255af1dbafba2e7798366b7b9b727b8304a603a7f9ff387114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.06119",
    "kind": "arxiv",
    "version": 2
  }
}