Pith Number

pith:RKFAWPEJ

pith:2016:RKFAWPEJEVHGLV7ISWJRCRLMTF

not attested not anchored not stored refs pending

Estimating the number of species to attain sufficient representation in a random sample

Andrew D. Smith, Chao Deng, Jie Ren, Peter Calabrese, Timothy Daley

arxiv:1607.02804 v3 · 2016-07-11 · 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{RKFAWPEJEVHGLV7ISWJRCRLMTF}

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	2026-05-18T00:16:03.325074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a8a0b3c89254e65d7e8959311456c996369db000eb779ed42dcd0618d1504d8

Aliases

arxiv: 1607.02804 · arxiv_version: 1607.02804v3 · doi: 10.48550/arxiv.1607.02804 · pith_short_12: RKFAWPEJEVHG · pith_short_16: RKFAWPEJEVHGLV7I · pith_short_8: RKFAWPEJ

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/RKFAWPEJEVHGLV7ISWJRCRLMTF \
  | 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: 8a8a0b3c89254e65d7e8959311456c996369db000eb779ed42dcd0618d1504d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46793db1778738a41e7e1613fd7929c3ef5625d849f7e1e44102af85e09a6a51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-07-11T01:43:15Z",
    "title_canon_sha256": "9e46c4d549a86b04cc439aa82c7bdb75ca88b1d2e3344a7d9b84fffd610e10e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02804",
    "kind": "arxiv",
    "version": 3
  }
}