Pith Number

pith:YCVEMQC3

pith:2015:YCVEMQC33D2BAQPBWSZVWO2QIS

not attested not anchored not stored refs pending

Expanded Distance-based Phylogenetic Analyses of Fossil Homo Skull Shape Evolution

Peter J. Waddell

arxiv:1512.09115 v1 · 2015-12-30 · q-bio.PE · q-bio.GN · 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{YCVEMQC33D2BAQPBWSZVWO2QIS}

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	2026-05-18T01:23:33.976411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0aa46405bd8f41041e1b4b35b3b5044b34d2656e5f5a5dd871a00abf23461ce

Aliases

arxiv: 1512.09115 · arxiv_version: 1512.09115v1 · doi: 10.48550/arxiv.1512.09115 · pith_short_12: YCVEMQC33D2B · pith_short_16: YCVEMQC33D2BAQPB · pith_short_8: YCVEMQC3

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/YCVEMQC33D2BAQPBWSZVWO2QIS \
  | 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: c0aa46405bd8f41041e1b4b35b3b5044b34d2656e5f5a5dd871a00abf23461ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34bcc9400caf6c56d026c96748c3a9ceea9cef674cfca61af5a507a4b8779bbc",
    "cross_cats_sorted": [
      "q-bio.GN",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-12-30T20:45:38Z",
    "title_canon_sha256": "05d0111f55d32f612d621afef35debc20f515c9487e3d11de64ffc58c8b02e97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.09115",
    "kind": "arxiv",
    "version": 1
  }
}