Pith Number

pith:I2JWEECE

pith:2017:I2JWEECEPEVK2NEY5CVRIM2DQT

not attested not anchored not stored refs pending

Population Vulnerability Models for Asteroid Impact Risk Assessment

Clemens M. Rumpf, Hugh G. Lewis, Peter M. Atkinson

arxiv:1702.05798 v1 · 2017-02-19 · physics.space-ph · physics.geo-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{I2JWEECEPEVK2NEY5CVRIM2DQT}

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	2026-05-18T00:50:25.318443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4693621044792aad3498e8ab14334384ec84989eb683e338f5b425283a410674

Aliases

arxiv: 1702.05798 · arxiv_version: 1702.05798v1 · doi: 10.48550/arxiv.1702.05798 · pith_short_12: I2JWEECEPEVK · pith_short_16: I2JWEECEPEVK2NEY · pith_short_8: I2JWEECE

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/I2JWEECEPEVK2NEY5CVRIM2DQT \
  | 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: 4693621044792aad3498e8ab14334384ec84989eb683e338f5b425283a410674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ebc5e0181d8bd496eb2351b2b7be154fa8e192394c4c185366a5a5cd5a2a254",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2017-02-19T21:26:27Z",
    "title_canon_sha256": "c2ce2978d1ab5f3198474d8e286c106b3ea155629f7d93df0194f40025ac3923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05798",
    "kind": "arxiv",
    "version": 1
  }
}