Pith Number

pith:3RCDRNHA

pith:2018:3RCDRNHAUXNPTC54YBYZ7HCKNN

not attested not anchored not stored refs pending

Estimating Local Daytime Population Density from Census and Payroll Data

Geoff Boeing

arxiv:1806.00665 v1 · 2018-06-02 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3RCDRNHAUXNPTC54YBYZ7HCKNN}

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	2026-05-18T00:14:18.791488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc4438b4e0a5daf98bbcc0719f9c4a6b6f5bb4ad43ef2f235cad21ac6c1eb2e7

Aliases

arxiv: 1806.00665 · arxiv_version: 1806.00665v1 · doi: 10.48550/arxiv.1806.00665 · pith_short_12: 3RCDRNHAUXNP · pith_short_16: 3RCDRNHAUXNPTC54 · pith_short_8: 3RCDRNHA

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/3RCDRNHAUXNPTC54YBYZ7HCKNN \
  | 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: dc4438b4e0a5daf98bbcc0719f9c4a6b6f5bb4ad43ef2f235cad21ac6c1eb2e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "191f3de3de42190068b366e7200024a0d673a4ab4b5039e9d2812da42877f16c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-06-02T16:33:56Z",
    "title_canon_sha256": "2076193e8d2256cdc00a48038895abf0038481b9d2dec5ebcf8349a70518a1e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00665",
    "kind": "arxiv",
    "version": 1
  }
}