Pith Number

pith:HWQ5SDJ2

pith:2024:HWQ5SDJ26SYXLDVIYGJHCEWJPF

not attested not anchored not stored refs pending

Automating Sound Change Prediction for Phylogenetic Inference: A Tukanoan Case Study

Anna Cai, Annie Zhang, David R. Mortensen, Kalvin Chang, Nathaniel R. Robinson, Ting Chen

arxiv:2402.01582 v1 · 2024-02-02 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWQ5SDJ26SYXLDVIYGJHCEWJPF}

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	2026-07-05T07:40:46.105257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3da1d90d3af4b1758ea8c1927112c9797a072cabcf503d0d658e6220ce253388

Aliases

arxiv: 2402.01582 · arxiv_version: 2402.01582v1 · doi: 10.48550/arxiv.2402.01582 · pith_short_12: HWQ5SDJ26SYX · pith_short_16: HWQ5SDJ26SYXLDVI · pith_short_8: HWQ5SDJ2

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/HWQ5SDJ26SYXLDVIYGJHCEWJPF \
  | 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: 3da1d90d3af4b1758ea8c1927112c9797a072cabcf503d0d658e6220ce253388

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7868024a0f8e7b6d01c7c7915863171ca1ad6f81405a26e0708717486439e93",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-02-02T17:20:16Z",
    "title_canon_sha256": "3b00446bd010c0eaf8e66175bab8f7ad355c37f929fd1acb9844f8c8b281d7e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.01582",
    "kind": "arxiv",
    "version": 1
  }
}