Pith Number

pith:D6QPM3CM

pith:2012:D6QPM3CMWBMEACYBQ7SE2RJ3DE

not attested not anchored not stored refs pending

The adaptivity refines approximate solutions of ill-posed problems due to the relaxation property

Larisa Beilina, Michael V. Klibanov

arxiv:1210.7294 v1 · 2012-10-27 · 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{D6QPM3CMWBMEACYBQ7SE2RJ3DE}

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	2026-05-18T03:42:10.590276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fa0f66c4cb058400b0187e44d453b19300e1989d7611efec3bec12288ae3463

Aliases

arxiv: 1210.7294 · arxiv_version: 1210.7294v1 · doi: 10.48550/arxiv.1210.7294 · pith_short_12: D6QPM3CMWBME · pith_short_16: D6QPM3CMWBMEACYB · pith_short_8: D6QPM3CM

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/D6QPM3CMWBMEACYBQ7SE2RJ3DE \
  | 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: 1fa0f66c4cb058400b0187e44d453b19300e1989d7611efec3bec12288ae3463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3615df1d5f8336f2882c6e017b788e80d4419e124ad8489e41269ad2569155e3",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-10-27T06:17:20Z",
    "title_canon_sha256": "efedb68efc7776525cad0ca4b9dc376d55ccdc99bbae5de723da185356d483b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7294",
    "kind": "arxiv",
    "version": 1
  }
}