Pith. sign in
Pith Number

pith:P6I7X5EM

pith:2021:P6I7X5EMANEWEYCXVNGSI4IVZD
not attested not anchored not stored refs pending

The Power of Many: A Physarum Swarm Steiner Tree Algorithm

Fidel I. Schaposnik Massolo, Laura P. Schaposnik, Sheryl Hsu

arxiv:2110.08233 v1 · 2021-10-15 · physics.bio-ph · cs.NE · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{P6I7X5EMANEWEYCXVNGSI4IVZD}

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 2026-07-05T05:06:52.644833Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7f91fbf48c0349626057ab4d247115c8c3f3114b2458022956c51177d271e90c

Aliases

arxiv: 2110.08233 · arxiv_version: 2110.08233v1 · doi: 10.48550/arxiv.2110.08233 · pith_short_12: P6I7X5EMANEW · pith_short_16: P6I7X5EMANEWEYCX · pith_short_8: P6I7X5EM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/P6I7X5EMANEWEYCXVNGSI4IVZD \
  | 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: 7f91fbf48c0349626057ab4d247115c8c3f3114b2458022956c51177d271e90c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8f03d6b817b67ae4a1ba6d170fae65890a334bc12f99d77494de5d8d8cb9b9c2",
    "cross_cats_sorted": [
      "cs.NE",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2021-10-15T17:41:33Z",
    "title_canon_sha256": "47de90feaee42a3432ac13e28c2ba2321aaa5bfaeaa1f128b30e40aaa8ec838c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.08233",
    "kind": "arxiv",
    "version": 1
  }
}