Pith Number

pith:5JZD4Y6R

pith:2015:5JZD4Y6RNUWBQWZNUNFQ4ZNY74

not attested not anchored not stored refs pending

Bias and population structure in the actuation of sound change

James Kirby, Morgan Sonderegger

arxiv:1507.04420 v1 · 2015-07-16 · cs.CL · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JZD4Y6RNUWBQWZNUNFQ4ZNY74}

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	2026-05-18T01:36:47.460085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea723e63d16d2c185b2da34b0e65b8ff3afa00287d6b8af582e44b3ba6a0a5b7

Aliases

arxiv: 1507.04420 · arxiv_version: 1507.04420v1 · doi: 10.48550/arxiv.1507.04420 · pith_short_12: 5JZD4Y6RNUWB · pith_short_16: 5JZD4Y6RNUWBQWZN · pith_short_8: 5JZD4Y6R

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/5JZD4Y6RNUWBQWZNUNFQ4ZNY74 \
  | 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: ea723e63d16d2c185b2da34b0e65b8ff3afa00287d6b8af582e44b3ba6a0a5b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c8ea60f4fc5dc3982e1476292a98bc6aa987da64b23db96d18f9a310770384a",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-07-16T00:27:02Z",
    "title_canon_sha256": "3d945dbf381f7d8d01024a8c28355e529109893db552fc631ec655901a1b0824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04420",
    "kind": "arxiv",
    "version": 1
  }
}