Pith Number

pith:S2QU53FD

pith:2004:S2QU53FDRI422WMX6UXAVKDIFU

not attested not anchored not stored refs pending

Hele-Shaw flow on weakly hyperbolic surfaces

Anders Olofsson, Haakan Hedenmalm

arxiv:math/0406368 v1 · 2004-06-18 · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2QU53FDRI422WMX6UXAVKDIFU}

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.

Cited by

1 paper in Pith

Analysis of Log-Weighted Quadrature Domains

Receipt and verification

First computed	2026-05-18T03:58:14.503898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96a14eeca38a39ad5997f52e0aa8682d0d845381aadfeb4fc83d77f02b299f54

Aliases

arxiv: math/0406368 · arxiv_version: math/0406368v1 · doi: 10.48550/arxiv.math/0406368 · pith_short_12: S2QU53FDRI42 · pith_short_16: S2QU53FDRI422WMX · pith_short_8: S2QU53FD

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/S2QU53FDRI422WMX6UXAVKDIFU \
  | 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: 96a14eeca38a39ad5997f52e0aa8682d0d845381aadfeb4fc83d77f02b299f54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "489d9aae0a74b536f450f04ed09bc1deda8ab2c93c83faeecc1926b009530fd2",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2004-06-18T13:46:48Z",
    "title_canon_sha256": "e5ff99bbe422074379e7f2393feea0b85f867a93c2e9982bd2adb7147c2f4f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0406368",
    "kind": "arxiv",
    "version": 1
  }
}