Pith Number

pith:HZJR43RJ

pith:2021:HZJR43RJWEE345F5VS4N7CV4AN

not attested not anchored not stored refs pending

Child-directed Listening: How Caregiver Inference Enables Children's Early Verbal Communication

Elika Bergelson, Roger P. Levy, Ruthe Foushee, Stephan C. Meylan

arxiv:2102.03462 v2 · 2021-02-06 · 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{HZJR43RJWEE345F5VS4N7CV4AN}

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	2026-07-05T02:14:01.279702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e531e6e29b109be74bdacb8df8abc0350b9ac809ca32d1233b74f35fd675851

Aliases

arxiv: 2102.03462 · arxiv_version: 2102.03462v2 · doi: 10.48550/arxiv.2102.03462 · pith_short_12: HZJR43RJWEE3 · pith_short_16: HZJR43RJWEE345F5 · pith_short_8: HZJR43RJ

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/HZJR43RJWEE345F5VS4N7CV4AN \
  | 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: 3e531e6e29b109be74bdacb8df8abc0350b9ac809ca32d1233b74f35fd675851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60b564365added78905c6aaa76768d75929104a74e7b5c8be364913778ea34df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-06T00:54:34Z",
    "title_canon_sha256": "4e9a23e1ca1186543189f6ff0b112959b86ff89cf2a9153bc36831e0da41a321"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.03462",
    "kind": "arxiv",
    "version": 2
  }
}