Pith Number

pith:BMQDKHVT

pith:2013:BMQDKHVTMCXQXCQNGACZPNOAOU

not attested not anchored not stored refs pending

The Gel'fand-Levitan-Krein method and the globally convergent method for experimental data

Anders Sullivan, Andrey L. Karchevsky, Lam Nguyen, Michael V. Klibanov, Natee Pantong

arxiv:1303.3941 v1 · 2013-03-16 · 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{BMQDKHVTMCXQXCQNGACZPNOAOU}

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	2026-05-18T03:30:40.464346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b20351eb360af0b8a0d300597b5c0753c1d02ecf2328c5f93b86591084cd219

Aliases

arxiv: 1303.3941 · arxiv_version: 1303.3941v1 · doi: 10.48550/arxiv.1303.3941 · pith_short_12: BMQDKHVTMCXQ · pith_short_16: BMQDKHVTMCXQXCQN · pith_short_8: BMQDKHVT

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/BMQDKHVTMCXQXCQNGACZPNOAOU \
  | 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: 0b20351eb360af0b8a0d300597b5c0753c1d02ecf2328c5f93b86591084cd219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3de7b0ff5824a067b9a8bda2ed6543a99c0ead5d13f7f93352b63d796a008a43",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-03-16T03:33:39Z",
    "title_canon_sha256": "e0b2b28c83dd99e81f2db926ce7683598b988534ad8264d6d6d3c630d7833a03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3941",
    "kind": "arxiv",
    "version": 1
  }
}