Pith Number

pith:HDYFMMJN

pith:2012:HDYFMMJNTU2RRMZBVM6UGTSCPY

not attested not anchored not stored refs pending

Novel Distances for Dollo Data

Barbara R. Holland, Dean Nicolle, Dorothy A. Steane, Michael Woodhams, Rebecca C. Jones, Vincent Moulton

arxiv:1203.0072 v1 · 2012-03-01 · q-bio.QM · 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{HDYFMMJNTU2RRMZBVM6UGTSCPY}

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	2026-05-18T04:01:03.287955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f056312d9d3518b321ab3d434e427e0a5e79b3ad57561b4948a9b98d8840b1

Aliases

arxiv: 1203.0072 · arxiv_version: 1203.0072v1 · doi: 10.48550/arxiv.1203.0072 · pith_short_12: HDYFMMJNTU2R · pith_short_16: HDYFMMJNTU2RRMZB · pith_short_8: HDYFMMJN

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/HDYFMMJNTU2RRMZBVM6UGTSCPY \
  | 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: 38f056312d9d3518b321ab3d434e427e0a5e79b3ad57561b4948a9b98d8840b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e5e9302700eabe1576f65a06e8a05c8873500d22dab501eff6e5f39b3768432",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2012-03-01T01:50:59Z",
    "title_canon_sha256": "c9a9ed0bb5a8c754b854f70926f98b1cb5b86629191cc272af694a3b2b511c25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0072",
    "kind": "arxiv",
    "version": 1
  }
}