Pith Number

pith:Q2GXA773

pith:2019:Q2GXA773RIH3METJWS7ORHIH2Z

not attested not anchored not stored refs pending

THINC-scaling scheme that unifies VOF and level set methods

Bin Xie, Feng Xiao, Lidong Cheng, Ronit Kumar

arxiv:1908.04529 v1 · 2019-08-13 · math.NA · cs.NA · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2GXA773RIH3METJWS7ORHIH2Z}

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	2026-07-04T23:55:14.553793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

868d707ffb8a0fb61269b4bee89d07d65ab1a80e49efd88fa5fd83a5c5ddc589

Aliases

arxiv: 1908.04529 · arxiv_version: 1908.04529v1 · doi: 10.48550/arxiv.1908.04529 · pith_short_12: Q2GXA773RIH3 · pith_short_16: Q2GXA773RIH3METJ · pith_short_8: Q2GXA773

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/Q2GXA773RIH3METJWS7ORHIH2Z \
  | 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: 868d707ffb8a0fb61269b4bee89d07d65ab1a80e49efd88fa5fd83a5c5ddc589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7a2df7fbcfecf3eb0871228b296e32cb465d922f537db5512cc9a3fed76170c",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-13T08:22:59Z",
    "title_canon_sha256": "e8125debfdd13dd83b22859c6fd915987991291586767f41f2f4a6c758ddb3bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04529",
    "kind": "arxiv",
    "version": 1
  }
}