Pith Number

pith:WKC6NSNL

pith:2015:WKC6NSNLV3DJ52IXRDPXWDZKJM

not attested not anchored not stored refs pending

Predictive implications of Gompertz's law

Bertrand M. Roehner, Peter Richmond

arxiv:1509.07271 v1 · 2015-09-24 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKC6NSNLV3DJ52IXRDPXWDZKJM}

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	2026-05-18T01:20:42.932734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b285e6c9abaec69ee91788df7b0f2a4b3da490ecd8c98b114424b1c8f8ae3a3b

Aliases

arxiv: 1509.07271 · arxiv_version: 1509.07271v1 · doi: 10.48550/arxiv.1509.07271 · pith_short_12: WKC6NSNLV3DJ · pith_short_16: WKC6NSNLV3DJ52IX · pith_short_8: WKC6NSNL

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/WKC6NSNLV3DJ52IXRDPXWDZKJM \
  | 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: b285e6c9abaec69ee91788df7b0f2a4b3da490ecd8c98b114424b1c8f8ae3a3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9615df58dfbac6a087baa0c9258f860c8ff5c347f9098ffa731a8fb454ac349c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-09-24T08:28:53Z",
    "title_canon_sha256": "443e10fa4d2f56174f93195274a431ee818a27f6fedd96a1ac84831f7535da53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07271",
    "kind": "arxiv",
    "version": 1
  }
}