Pith Number

pith:FUUKLQ57

pith:2010:FUUKLQ57WWV4OXF4DN3ZYKC7SP

not attested not anchored not stored refs pending

On an inverse problem for anisotropic conductivity in the plane

Gennadi Henkin, Matteo Santacesaria

arxiv:1003.1880 v2 · 2010-03-09 · math.AP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUUKLQ57WWV4OXF4DN3ZYKC7SP}

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	2026-05-18T03:00:01.429841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d28a5c3bfb5abc75cbc1b779c285f93e4de9a23a39609d13e51408927265a72

Aliases

arxiv: 1003.1880 · arxiv_version: 1003.1880v2 · doi: 10.48550/arxiv.1003.1880 · pith_short_12: FUUKLQ57WWV4 · pith_short_16: FUUKLQ57WWV4OXF4 · pith_short_8: FUUKLQ57

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/FUUKLQ57WWV4OXF4DN3ZYKC7SP \
  | 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: 2d28a5c3bfb5abc75cbc1b779c285f93e4de9a23a39609d13e51408927265a72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b3183495ce0fd69a7e84e737e70ffd38e8bcec97785e02e5a95446c96b66c54",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-03-09T14:27:34Z",
    "title_canon_sha256": "61d574c420360653a686b360f407388c08073331795499011406a683dfda5f87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1880",
    "kind": "arxiv",
    "version": 2
  }
}