Pith Number

pith:GZ6QQ57U

pith:2013:GZ6QQ57U5KL4WEH5LJCPW3FQMK

not attested not anchored not stored refs pending

Fighting network space: it is time for an SQL-type language to filter phylogenetic networks

David A. Morrison, Simone Linz, Steven Kelk

arxiv:1310.6844 v1 · 2013-10-25 · 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{GZ6QQ57U5KL4WEH5LJCPW3FQMK}

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	2026-05-18T03:08:57.273615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

367d0877f4ea97cb10fd5a44fb6cb062857d4822e144a0828715cc2ccfc72f25

Aliases

arxiv: 1310.6844 · arxiv_version: 1310.6844v1 · doi: 10.48550/arxiv.1310.6844 · pith_short_12: GZ6QQ57U5KL4 · pith_short_16: GZ6QQ57U5KL4WEH5 · pith_short_8: GZ6QQ57U

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/GZ6QQ57U5KL4WEH5LJCPW3FQMK \
  | 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: 367d0877f4ea97cb10fd5a44fb6cb062857d4822e144a0828715cc2ccfc72f25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25ab77dac31dc3e2a56f4c91d5abd2a4eb05a4c1c88cbbbaa5c05da45c54df07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-10-25T08:10:42Z",
    "title_canon_sha256": "7847176d79b4c213012efd5970f7dd2de7c76c3835df7de10a8f7dbd95b47a32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6844",
    "kind": "arxiv",
    "version": 1
  }
}