Pith Number

pith:NW5S76RM

pith:2014:NW5S76RMF4LYWJMNATURLLDE2C

not attested not anchored not stored refs pending

The Web of Life

Jordi Bascompte, Miguel A. Fortuna, Raul Ortega

arxiv:1403.2575 v1 · 2014-03-11 · 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{NW5S76RMF4LYWJMNATURLLDE2C}

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	2026-05-18T02:56:43.037953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dbb2ffa2c2f178b258d04e915ac64d08552932a30ab3e763a55b08b480d5300

Aliases

arxiv: 1403.2575 · arxiv_version: 1403.2575v1 · doi: 10.48550/arxiv.1403.2575 · pith_short_12: NW5S76RMF4LY · pith_short_16: NW5S76RMF4LYWJMN · pith_short_8: NW5S76RM

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/NW5S76RMF4LYWJMNATURLLDE2C \
  | 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: 6dbb2ffa2c2f178b258d04e915ac64d08552932a30ab3e763a55b08b480d5300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4f21ceef816da471c959c81a168925c39f5ed8d803c83289eeed4b51d312a00",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-03-11T13:46:46Z",
    "title_canon_sha256": "f8c4e9683e0735e8cea58e0d3413a538f00e99000749514b262bb4fab6500a6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2575",
    "kind": "arxiv",
    "version": 1
  }
}