Pith Number

pith:UAZIMM2X

pith:2015:UAZIMM2XPDSVT3GPW2NA7XOQIO

not attested not anchored not stored refs pending

Gromov meets Phylogenetics - new Animals for the Zoo of Biocomputable Metrics on Tree Space

Volkmar Liebscher

arxiv:1504.05795 v1 · 2015-04-22 · math.MG · 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{UAZIMM2XPDSVT3GPW2NA7XOQIO}

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	2026-05-18T02:18:05.080840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a03286335778e559eccfb69a0fddd04382528bec2bd86c7cf15ce3885ef94a07

Aliases

arxiv: 1504.05795 · arxiv_version: 1504.05795v1 · doi: 10.48550/arxiv.1504.05795 · pith_short_12: UAZIMM2XPDSV · pith_short_16: UAZIMM2XPDSVT3GP · pith_short_8: UAZIMM2X

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/UAZIMM2XPDSVT3GPW2NA7XOQIO \
  | 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: a03286335778e559eccfb69a0fddd04382528bec2bd86c7cf15ce3885ef94a07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b80c96feece733bb250a4d250fafba0dca2baeb6ea7e4043932ac9c8d6989a0c",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-04-22T13:31:50Z",
    "title_canon_sha256": "dac05a1a9d1d274a0824aeb56c71262d9d16390988c3dc1fdf22dca245f66647"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05795",
    "kind": "arxiv",
    "version": 1
  }
}