Pith Number

pith:CNSGTZSE

pith:2018:CNSGTZSE5JXIHB5JUXML2AZVZJ

not attested not anchored not stored refs pending

Coupling between death spikes and birth troughs. Part 1: Evidence

Bertrand M. Roehner, Peter Richmond

arxiv:1801.04533 v1 · 2018-01-14 · physics.soc-ph · physics.bio-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{CNSGTZSE5JXIHB5JUXML2AZVZJ}

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	2026-05-18T00:26:04.115532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

136469e644ea6e8387a9a5d8bd0335ca69717385d0fd408dd0344c4dfb5e87ff

Aliases

arxiv: 1801.04533 · arxiv_version: 1801.04533v1 · doi: 10.48550/arxiv.1801.04533 · pith_short_12: CNSGTZSE5JXI · pith_short_16: CNSGTZSE5JXIHB5J · pith_short_8: CNSGTZSE

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/CNSGTZSE5JXIHB5JUXML2AZVZJ \
  | 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: 136469e644ea6e8387a9a5d8bd0335ca69717385d0fd408dd0344c4dfb5e87ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e455b2c05a7b4f37081352424a99cb7ce1b2a9a1950097892ee1ab3b86360d33",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-01-14T10:57:01Z",
    "title_canon_sha256": "a9db633d00022f0483d49db6dbc05901acd96bbaacc48a693e6af530fd48fc4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04533",
    "kind": "arxiv",
    "version": 1
  }
}