Pith Number

pith:Q4ZAOFWE

pith:2016:Q4ZAOFWE3LUJGTGSIQBMAKAJPU

not attested not anchored not stored refs pending

Estimating the observable population size from biased samples: a new approach to population estimation with capture heterogeneity

Daniel Manrique-Vallier, James E. Johndrow, Kristian Lum

arxiv:1606.02235 v1 · 2016-06-07 · 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{Q4ZAOFWE3LUJGTGSIQBMAKAJPU}

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	2026-05-18T01:12:44.409849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87320716c4dae8934cd24402c028097d0da087147bbf096d11e14d7b2f29462f

Aliases

arxiv: 1606.02235 · arxiv_version: 1606.02235v1 · doi: 10.48550/arxiv.1606.02235 · pith_short_12: Q4ZAOFWE3LUJ · pith_short_16: Q4ZAOFWE3LUJGTGS · pith_short_8: Q4ZAOFWE

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/Q4ZAOFWE3LUJGTGSIQBMAKAJPU \
  | 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: 87320716c4dae8934cd24402c028097d0da087147bbf096d11e14d7b2f29462f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "837cfa0eb898f19aad9bdae9a853a80cfb48ddffac393b2a1aa000b30cefa5fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-06-07T17:58:28Z",
    "title_canon_sha256": "2458c7e0a728c36c6270c33843d30c7f3b9ad7e2ca5fb6dda7368b9c6f4e9a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02235",
    "kind": "arxiv",
    "version": 1
  }
}