Pith Number

pith:BLCJJSJL

pith:2018:BLCJJSJLNWGXA7656XLTFGTF5C

not attested not anchored not stored refs pending

Phase field models for two-dimensional branched transportation problems

Benedikt Wirth

arxiv:1805.05141 v1 · 2018-05-14 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BLCJJSJLNWGXA7656XLTFGTF5C}

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	2026-05-18T00:16:03.810790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ac494c92b6d8d707fddf5d7329a65e89dcd5b867936a50cd1d9a1ac43a2b56e

Aliases

arxiv: 1805.05141 · arxiv_version: 1805.05141v1 · doi: 10.48550/arxiv.1805.05141 · pith_short_12: BLCJJSJLNWGX · pith_short_16: BLCJJSJLNWGXA765 · pith_short_8: BLCJJSJL

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/BLCJJSJLNWGXA7656XLTFGTF5C \
  | 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: 0ac494c92b6d8d707fddf5d7329a65e89dcd5b867936a50cd1d9a1ac43a2b56e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8028d0ccf71c583cb3908e882df0eeb069f75fb71b126a0e7c614a04ff057ba1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-05-14T12:33:51Z",
    "title_canon_sha256": "a43f911f4f918726f184badbbb5b9a3b15b0e051ef18e4dd62882094c03b503f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05141",
    "kind": "arxiv",
    "version": 1
  }
}