Pith Number

pith:RYLKF2HE

pith:2016:RYLKF2HEXBC5ZTR4W6S4ALW76K

not attested not anchored not stored refs pending

Fast Compatibility Testing for Phylogenies with Nested Taxa

David Fern\'andez-Baca, Yun Deng

arxiv:1605.02045 v1 · 2016-05-06 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYLKF2HEXBC5ZTR4W6S4ALW76K}

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	2026-05-18T01:15:30.493896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e16a2e8e4b845dcce3cb7a5c02edff2b186ba474ada24a87f3fee2e58c67489

Aliases

arxiv: 1605.02045 · arxiv_version: 1605.02045v1 · doi: 10.48550/arxiv.1605.02045 · pith_short_12: RYLKF2HEXBC5 · pith_short_16: RYLKF2HEXBC5ZTR4 · pith_short_8: RYLKF2HE

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/RYLKF2HEXBC5ZTR4W6S4ALW76K \
  | 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: 8e16a2e8e4b845dcce3cb7a5c02edff2b186ba474ada24a87f3fee2e58c67489

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cc903c1b6c7617367f070831cecbc86bdd502c3623a0dcd970fff38c63f26af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-05-06T19:14:49Z",
    "title_canon_sha256": "772bd6f6df1b02a159ea3b150b6ef305ba898e78defa88db7e98789de8586e02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02045",
    "kind": "arxiv",
    "version": 1
  }
}