Pith Number

pith:ZOYZBKVA

pith:2019:ZOYZBKVAKCLIJ5GAJF2SLNCAH7

not attested not anchored not stored refs pending

Multi-frequency iterative methods for the inverse medium scattering problems in elasticity

Fang Zeng, Gang Bao, Tao Yin

arxiv:1902.04123 v1 · 2019-02-11 · 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{ZOYZBKVAKCLIJ5GAJF2SLNCAH7}

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	2026-05-17T23:54:13.060184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbb190aaa0509684f4c0497525b4403feeb80bcfd76bce413fa3634f393303aa

Aliases

arxiv: 1902.04123 · arxiv_version: 1902.04123v1 · doi: 10.48550/arxiv.1902.04123 · pith_short_12: ZOYZBKVAKCLI · pith_short_16: ZOYZBKVAKCLIJ5GA · pith_short_8: ZOYZBKVA

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/ZOYZBKVAKCLIJ5GAJF2SLNCAH7 \
  | 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: cbb190aaa0509684f4c0497525b4403feeb80bcfd76bce413fa3634f393303aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3746482a02ec1643e0590d4caa03980dcc7f894adeb71dbac927177c9b39e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-11T20:06:22Z",
    "title_canon_sha256": "88e53a8940da7e2bb024ea84e039b8d70d7ee98defb9fba1c378c1aa762df44b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04123",
    "kind": "arxiv",
    "version": 1
  }
}