Pith Number

pith:YSUPSD2Y

pith:2026:YSUPSD2YHQY37PCOD3TOWGPLKV

not attested not anchored not stored refs pending

PhylaFlow: Hybrid Flow Matching in Billera-Holmes-Vogtmann Tree Space for Phylogenetic Inference

Leo Cui, Marinka Zitnik, Pardis Sabeti, Shrey Jain, Yasha Ektefaie

arxiv:2605.21859 v1 · 2026-05-21 · q-bio.PE · cs.LG · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSUPSD2YHQY37PCOD3TOWGPLKV}

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	2026-05-22T01:04:11.756171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4a8f90f583c31bfbc4e1ee6eb19eb554ad20da398de1b3606dfc79d943763ec

Aliases

arxiv: 2605.21859 · arxiv_version: 2605.21859v1 · doi: 10.48550/arxiv.2605.21859 · pith_short_12: YSUPSD2YHQY3 · pith_short_16: YSUPSD2YHQY37PCO · pith_short_8: YSUPSD2Y

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/YSUPSD2YHQY37PCOD3TOWGPLKV \
  | 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: c4a8f90f583c31bfbc4e1ee6eb19eb554ad20da398de1b3606dfc79d943763ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0b8159a16730ca81e2e6b14796bd7f91d31bc892ce3f8febe608ecbe1930c3e",
    "cross_cats_sorted": [
      "cs.LG",
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2026-05-21T01:13:46Z",
    "title_canon_sha256": "a8973776e34bf6cf19ddcf8fb6f709bbe015d3f9f3288655c891706c77642e16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21859",
    "kind": "arxiv",
    "version": 1
  }
}