Pith Number

pith:LTWNGDY2

pith:2018:LTWNGDY2L6FFSL3YTHZEAYYJV3

not attested not anchored not stored refs pending

Phase field approximations of branched transportation problems

Benedikt Wirth, Carolin Rossmanith, Luca Alberto Davide Ferrari (CMAP)

arxiv:1805.11399 v1 · 2018-05-29 · math.OC · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LTWNGDY2L6FFSL3YTHZEAYYJV3}

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	2026-05-18T00:14:42.714579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cecd30f1a5f8a592f7899f2406309aee1ad85960be6ac9ef4e56ff702d0dbdb

Aliases

arxiv: 1805.11399 · arxiv_version: 1805.11399v1 · doi: 10.48550/arxiv.1805.11399 · pith_short_12: LTWNGDY2L6FF · pith_short_16: LTWNGDY2L6FFSL3Y · pith_short_8: LTWNGDY2

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/LTWNGDY2L6FFSL3YTHZEAYYJV3 \
  | 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: 5cecd30f1a5f8a592f7899f2406309aee1ad85960be6ac9ef4e56ff702d0dbdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fa61171278d02fe3f44f02d60d0a165c688931cb26f65e3035ede29974eee5d",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-05-29T12:49:42Z",
    "title_canon_sha256": "927ee5274be35be7871ec98414e91e91dc0bd8955202abe1b7bfbfd749ace26d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11399",
    "kind": "arxiv",
    "version": 1
  }
}