Pith Number

pith:LFK77FCH

pith:2014:LFK77FCHWQHWVUJUEMRAEXZYSW

not attested not anchored not stored refs pending

Reconstruction of shapes and refractive indices from backscattering experimental data using the adaptivity

John Bondestam Malmberg, Larisa Beilina, Michael V. Klibanov, Nguyen Trung Th\`anh

arxiv:1404.5862 v1 · 2014-04-23 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFK77FCHWQHWVUJUEMRAEXZYSW}

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	2026-05-18T01:43:25.809592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5955ff9447b40f6ad1342322025f38958849ffd6b18401060f7a1bde7eb0b4c8

Aliases

arxiv: 1404.5862 · arxiv_version: 1404.5862v1 · doi: 10.48550/arxiv.1404.5862 · pith_short_12: LFK77FCHWQHW · pith_short_16: LFK77FCHWQHWVUJU · pith_short_8: LFK77FCH

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/LFK77FCHWQHWVUJUEMRAEXZYSW \
  | 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: 5955ff9447b40f6ad1342322025f38958849ffd6b18401060f7a1bde7eb0b4c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca2a3cd8b6e1ad3c935a8c96cc8d1423bec2d8ed7cb7667f6f9677ad3e97f238",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-23T15:24:02Z",
    "title_canon_sha256": "868007c6dfa86305a93dc335f792c1a9b9b590fe49b35235af7daa53b19efd31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5862",
    "kind": "arxiv",
    "version": 1
  }
}