Pith Number

pith:4KOTLDJP

pith:2014:4KOTLDJPWMPTFXHHMELVMUDTRF

not attested not anchored not stored refs pending

Tree Oriented Data Analysis

Sean Skwerer

arxiv:1409.5501 v2 · 2014-09-19 · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KOTLDJPWMPTFXHHMELVMUDTRF}

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	2026-05-18T02:38:09.002193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e29d358d2fb31f32dce7611756507389507e3491b7317cbff5cc4d2285f99ad5

Aliases

arxiv: 1409.5501 · arxiv_version: 1409.5501v2 · doi: 10.48550/arxiv.1409.5501 · pith_short_12: 4KOTLDJPWMPT · pith_short_16: 4KOTLDJPWMPTFXHH · pith_short_8: 4KOTLDJP

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/4KOTLDJPWMPTFXHHMELVMUDTRF \
  | 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: e29d358d2fb31f32dce7611756507389507e3491b7317cbff5cc4d2285f99ad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82bc19be4f38807f8b92a78b4476af87e0f128a65ec33643a9059a69c5be74c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.OT",
    "submitted_at": "2014-09-19T02:15:43Z",
    "title_canon_sha256": "efd297851fb787194d9ac40ce8a67714e78c161796f066f5e2d70aa51af760b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5501",
    "kind": "arxiv",
    "version": 2
  }
}