Pith Number

pith:YQYI27H5

pith:2000:YQYI27H5CGXW65IPTFTFAMROR7

not attested not anchored not stored refs pending

A critical look at risk assessments for global catastrophes

Adrian Kent (DAMTP, University of Cambridge)

arxiv:hep-ph/0009204 v7 · 2000-09-18 · hep-ph · hep-th · physics.soc-ph · quant-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{YQYI27H5CGXW65IPTFTFAMROR7}

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	2026-05-18T01:36:21.490245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4308d7cfd11af6f750f996650322e8fe1bc34f5398f27f615257b8e2609839a

Aliases

arxiv: hep-ph/0009204 · arxiv_version: hep-ph/0009204v7 · doi: 10.48550/arxiv.hep-ph/0009204 · pith_short_12: YQYI27H5CGXW · pith_short_16: YQYI27H5CGXW65IP · pith_short_8: YQYI27H5

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/YQYI27H5CGXW65IPTFTFAMROR7 \
  | 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: c4308d7cfd11af6f750f996650322e8fe1bc34f5398f27f615257b8e2609839a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a39f4fe764b9780ff0c845cce1f5e35e605dfaeab81c39afd5283ac4a63c4269",
    "cross_cats_sorted": [
      "hep-th",
      "physics.soc-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2000-09-18T16:07:30Z",
    "title_canon_sha256": "05ef946fc6fb6fc456f9bef396d4bad882c9bf03a89bb0cc50f4f29e4de54622"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0009204",
    "kind": "arxiv",
    "version": 7
  }
}