Pith Number

pith:4TJT7JCD

pith:2014:4TJT7JCDKBFHBWB5LM7DOSEMQE

not attested not anchored not stored refs pending

Does mutualism hinder biodiversity?

Alberto Pascual-Garc\'ia, Antonio Ferrera, Ugo Bastolla

arxiv:1409.1683 v1 · 2014-09-05 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TJT7JCDKBFHBWB5LM7DOSEMQE}

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	2026-05-18T02:43:25.543727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4d33fa443504a70d83d5b3e37488c812c2399a84efa348d21e738fe15417017

Aliases

arxiv: 1409.1683 · arxiv_version: 1409.1683v1 · doi: 10.48550/arxiv.1409.1683 · pith_short_12: 4TJT7JCDKBFH · pith_short_16: 4TJT7JCDKBFHBWB5 · pith_short_8: 4TJT7JCD

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/4TJT7JCDKBFHBWB5LM7DOSEMQE \
  | 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: e4d33fa443504a70d83d5b3e37488c812c2399a84efa348d21e738fe15417017

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81df70baedf74344b92b7280d7dd5747bc6815550a9abc7670f10749df636f9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-09-05T08:20:30Z",
    "title_canon_sha256": "f1507d631f4124c2bcffc222b47baab68c9e6afd18449c67f2f72adaf6ac8493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1683",
    "kind": "arxiv",
    "version": 1
  }
}