Pith Number

pith:ZMQM4LTF

pith:2015:ZMQM4LTFN2BWO3C6DDSSKI6XEA

not attested not anchored not stored refs pending

Hidden population size estimation from respondent-driven sampling: a network approach

Forrest W. Crawford, Jiacheng Wu, Robert Heimer

arxiv:1504.08349 v1 · 2015-04-30 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZMQM4LTFN2BWO3C6DDSSKI6XEA}

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	2026-05-18T02:17:22.323536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb20ce2e656e83676c5e18e52523d7201d1dfe8c60b8669cc29df8fe47caeb5b

Aliases

arxiv: 1504.08349 · arxiv_version: 1504.08349v1 · doi: 10.48550/arxiv.1504.08349 · pith_short_12: ZMQM4LTFN2BW · pith_short_16: ZMQM4LTFN2BWO3C6 · pith_short_8: ZMQM4LTF

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/ZMQM4LTFN2BWO3C6DDSSKI6XEA \
  | 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: cb20ce2e656e83676c5e18e52523d7201d1dfe8c60b8669cc29df8fe47caeb5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1d5a6c985bb794e51358205a5f572cb46b2aaf90721ea00c18c4bb858cfc0f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-04-30T19:17:38Z",
    "title_canon_sha256": "d4c947f79c6e8709369a7e27543c741a9c740265ba929c56de45be7b54cea6c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08349",
    "kind": "arxiv",
    "version": 1
  }
}