Pith Number

pith:WX6VEGXX

pith:2018:WX6VEGXX3OIMDSRRGOOC36THLE

not attested not anchored not stored refs pending

MAD roots for large trees

David Bryant, Michael Charleston

arxiv:1811.03174 v1 · 2018-11-07 · 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{WX6VEGXX3OIMDSRRGOOC36THLE}

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	2026-05-18T00:01:18.927107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5fd521af7db90c1ca31339c2dfa675938aa30d5932d23a745ca07f04c5f5722

Aliases

arxiv: 1811.03174 · arxiv_version: 1811.03174v1 · doi: 10.48550/arxiv.1811.03174 · pith_short_12: WX6VEGXX3OIM · pith_short_16: WX6VEGXX3OIMDSRR · pith_short_8: WX6VEGXX

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/WX6VEGXX3OIMDSRRGOOC36THLE \
  | 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: b5fd521af7db90c1ca31339c2dfa675938aa30d5932d23a745ca07f04c5f5722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e24357d91def5a810fcc58f3fbb5608d3b17ab7684402fc8b0dd3ccfea952f22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-11-07T22:45:35Z",
    "title_canon_sha256": "3e91ea4f6f9b9e9ef0e05e02d6610d3dd9d4644fb904dadc63d2de7baa21baca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03174",
    "kind": "arxiv",
    "version": 1
  }
}