Pith Number

pith:27A3USBB

pith:2012:27A3USBBOGGRYLDE6GSHQCRRYR

not attested not anchored not stored refs pending

Time to a single hybridization event in a group of species with unknown ancestral history

Bengt Oxelman, Graham Jones, Krzysztof Bartoszek, Serik Sagitov

arxiv:1209.1494 v2 · 2012-09-07 · 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{27A3USBBOGGRYLDE6GSHQCRRYR}

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	2026-05-18T03:45:54.845919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7c1ba4821718d1c2c64f1a4780a31c46fe5696c733bfad8c2a4f3b20d7258d2

Aliases

arxiv: 1209.1494 · arxiv_version: 1209.1494v2 · doi: 10.48550/arxiv.1209.1494 · pith_short_12: 27A3USBBOGGR · pith_short_16: 27A3USBBOGGRYLDE · pith_short_8: 27A3USBB

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/27A3USBBOGGRYLDE6GSHQCRRYR \
  | 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: d7c1ba4821718d1c2c64f1a4780a31c46fe5696c733bfad8c2a4f3b20d7258d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18a7be734348dfd3e88b423866ed14fdf7d239fa34b0b1edfb37d95dbf1469c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-09-07T11:04:00Z",
    "title_canon_sha256": "d42cedd4e99072738b75b2b936384f607a5504fc1e2b21f9e0395bb8b588633e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1494",
    "kind": "arxiv",
    "version": 2
  }
}