Pith Number

pith:45VCCCAU

pith:2026:45VCCCAUCMMFZQSTK2EZHEEUA6

not attested not anchored not stored refs pending

Visualizing and forecasting subnational life-table death counts: Gap forecasting methods

Andrea Nigri, Han Lin Shang

arxiv:2607.07284 v1 · 2026-07-08 · stat.ME · 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{45VCCCAUCMMFZQSTK2EZHEEUA6}

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	2026-07-09T01:20:19.872542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e76a21081413185cc253568993909407bc824ea4022cf33ad3977c7e7e5ae557

Aliases

arxiv: 2607.07284 · arxiv_version: 2607.07284v1 · doi: 10.48550/arxiv.2607.07284 · pith_short_12: 45VCCCAUCMMF · pith_short_16: 45VCCCAUCMMFZQST · pith_short_8: 45VCCCAU

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/45VCCCAUCMMFZQSTK2EZHEEUA6 \
  | 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: e76a21081413185cc253568993909407bc824ea4022cf33ad3977c7e7e5ae557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9144cd9b1de8978c67012a41ada9682eab5a16bb005a88b13061859ffc7dbbd7",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-07-08T11:21:39Z",
    "title_canon_sha256": "669e23be7babae2b1c659c81b58f17f4fa95a369a8752abdefdff0843fab0b4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07284",
    "kind": "arxiv",
    "version": 1
  }
}