Pith Number

pith:IAF3Z6XX

pith:2015:IAF3Z6XXMA3LXJMKB6Y2NIPT55

not attested not anchored not stored refs pending

A characterization of dissimilarity families of trees

Agnese Baldisserri, Elena Rubei

arxiv:1512.08496 v2 · 2015-12-28 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAF3Z6XXMA3LXJMKB6Y2NIPT55}

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	2026-05-18T01:23:07.614694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

400bbcfaf76036bba58a0fb1a6a1f3ef60384a2d143dc27aa00763e2a16761d2

Aliases

arxiv: 1512.08496 · arxiv_version: 1512.08496v2 · doi: 10.48550/arxiv.1512.08496 · pith_short_12: IAF3Z6XXMA3L · pith_short_16: IAF3Z6XXMA3LXJMK · pith_short_8: IAF3Z6XX

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/IAF3Z6XXMA3LXJMKB6Y2NIPT55 \
  | 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: 400bbcfaf76036bba58a0fb1a6a1f3ef60384a2d143dc27aa00763e2a16761d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f2025f1a5c528be9b2b085a7d8abef1c39665b26dfb35c3225a104a0abe6b71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-12-28T20:14:04Z",
    "title_canon_sha256": "97acc92535a6c925fc282aa042588469cd0f23e4968eefd798c631c73a071c6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08496",
    "kind": "arxiv",
    "version": 2
  }
}