Pith Number

pith:VXGMRMGV

pith:2015:VXGMRMGVJR27IQFUQPUAO4IAWZ

not attested not anchored not stored refs pending

Fast computation of all maximum acyclic agreement forests for two rooted binary phylogenetic trees

Benjamin Albrecht

arxiv:1512.05656 v1 · 2015-12-17 · q-bio.PE · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VXGMRMGVJR27IQFUQPUAO4IAWZ}

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	2026-05-18T01:24:09.530717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adccc8b0d54c75f440b483e8077100b646c37b37ba66e6ee02e8fb7bab17d9f7

Aliases

arxiv: 1512.05656 · arxiv_version: 1512.05656v1 · doi: 10.48550/arxiv.1512.05656 · pith_short_12: VXGMRMGVJR27 · pith_short_16: VXGMRMGVJR27IQFU · pith_short_8: VXGMRMGV

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/VXGMRMGVJR27IQFUQPUAO4IAWZ \
  | 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: adccc8b0d54c75f440b483e8077100b646c37b37ba66e6ee02e8fb7bab17d9f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "245a4bff51f7db4251670e051f62a4f5a960fd675349c63edb5ac7668e94263d",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-12-17T16:21:47Z",
    "title_canon_sha256": "3213a42bfc789a46bfd7645f260937ae59be3332c4a87351a97841cccd375448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05656",
    "kind": "arxiv",
    "version": 1
  }
}