Pith Number

pith:4A76RA7Q

pith:2014:4A76RA7QNS2RMLYK52RXDPPRYX

not attested not anchored not stored refs pending

On the number of ranked species trees producing anomalous ranked gene trees

Filippo Disanto, Noah A. Rosenberg

arxiv:1407.2976 v1 · 2014-07-10 · 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{4A76RA7QNS2RMLYK52RXDPPRYX}

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	2026-05-18T02:47:52.323088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e03fe883f06cb5162f0aeea371bdf1c5d0f07745b2130aeea9d82cd236fa603b

Aliases

arxiv: 1407.2976 · arxiv_version: 1407.2976v1 · doi: 10.48550/arxiv.1407.2976 · pith_short_12: 4A76RA7QNS2R · pith_short_16: 4A76RA7QNS2RMLYK · pith_short_8: 4A76RA7Q

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/4A76RA7QNS2RMLYK52RXDPPRYX \
  | 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: e03fe883f06cb5162f0aeea371bdf1c5d0f07745b2130aeea9d82cd236fa603b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f88f3ebb52091b0a534ab1082ca0ebe6325fd3a3887050d3803821c15ff436aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-07-10T22:02:33Z",
    "title_canon_sha256": "656a148c8c6e16a82d3dd82cbe548f11ab02995a1c20caaf3a8f7636ed8f5fe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2976",
    "kind": "arxiv",
    "version": 1
  }
}