Pith Number

pith:6MIVFVPC

pith:2026:6MIVFVPCCETTUXI2QY3HEAI2NW

not attested not anchored not stored refs pending

Hyperiax and Phylogenetic Inference from Shape Data

Christy Hipsley, Gefan Yang, Marcus Teller, Rasmus Nielsen, Stefan Sommer

arxiv:2606.26974 v1 · 2026-06-25 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6MIVFVPCCETTUXI2QY3HEAI2NW}

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	2026-06-26T01:16:05.663824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f31152d5e211273a5d1a863672011a6dadc66555bd9fe3669f893e53f34da748

Aliases

arxiv: 2606.26974 · arxiv_version: 2606.26974v1 · doi: 10.48550/arxiv.2606.26974 · pith_short_12: 6MIVFVPCCETT · pith_short_16: 6MIVFVPCCETTUXI2 · pith_short_8: 6MIVFVPC

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/6MIVFVPCCETTUXI2QY3HEAI2NW \
  | 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: f31152d5e211273a5d1a863672011a6dadc66555bd9fe3669f893e53f34da748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20b9127d2b9309e67c4dcf02d649abaa117d94728ec145000eb8cac77792c8c2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2026-06-25T12:47:32Z",
    "title_canon_sha256": "e8256a258de093a642b3d591305f5faae404420656a2dfffa8f696f4063dd086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26974",
    "kind": "arxiv",
    "version": 1
  }
}