pith. sign in
Pith Number

pith:55LE6MKY

pith:2015:55LE6MKY3QDSUSW44F7BYPM3RP
not attested not anchored not stored refs pending

Inherent directionality explains the lack of feedback loops in empirical networks

Miguel A. Mu\~noz, Simone Pigolotti, Virginia Dom\'inguez-Garc\'ia

arxiv:1502.03816 v1 · 2015-02-12 · q-bio.MN · physics.soc-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{55LE6MKY3QDSUSW44F7BYPM3RP}

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 2026-05-18T02:27:08.581774Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ef564f3158dc072a4adce17e1c3d9b8bcf23653f5d52c02dde0450933a46815e

Aliases

arxiv: 1502.03816 · arxiv_version: 1502.03816v1 · doi: 10.48550/arxiv.1502.03816 · pith_short_12: 55LE6MKY3QDS · pith_short_16: 55LE6MKY3QDSUSW4 · pith_short_8: 55LE6MKY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/55LE6MKY3QDSUSW44F7BYPM3RP \
  | 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: ef564f3158dc072a4adce17e1c3d9b8bcf23653f5d52c02dde0450933a46815e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "508d3c5093540affc6f4bfcb1bbea6d1a0c40a53bf698f47e4a65afb4eceb8f4",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2015-02-12T11:27:15Z",
    "title_canon_sha256": "db41e97e135864c40d8d6319043ac589e12fa1883003f00603de6f33cb207df9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03816",
    "kind": "arxiv",
    "version": 1
  }
}