Pith Number

pith:RV6QAUEC

pith:2018:RV6QAUECYIDGPU7AJH6KE4SOML

not attested not anchored not stored refs pending

Supertree Construction: Opportunities and Challenges

Tandy Warnow

arxiv:1805.03530 v1 · 2018-05-09 · 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{RV6QAUECYIDGPU7AJH6KE4SOML}

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	2026-05-18T00:16:19.941781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d7d005082c20667d3e049fca2724e62f1b1c3cd2e828b0ea3f772e3fccf7986

Aliases

arxiv: 1805.03530 · arxiv_version: 1805.03530v1 · doi: 10.48550/arxiv.1805.03530 · pith_short_12: RV6QAUECYIDG · pith_short_16: RV6QAUECYIDGPU7A · pith_short_8: RV6QAUEC

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/RV6QAUECYIDGPU7AJH6KE4SOML \
  | 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: 8d7d005082c20667d3e049fca2724e62f1b1c3cd2e828b0ea3f772e3fccf7986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe65a2a9db38c994d2fb1b0e59d90f6bc8dac5e18c7c0d377f7de9e36a31e44d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-05-09T13:53:48Z",
    "title_canon_sha256": "88c74c34e0417c41739605294cbb6d93e1600bb92238695fb97126a871cda51f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03530",
    "kind": "arxiv",
    "version": 1
  }
}