Pith Number

pith:DWI7YNBV

pith:2012:DWI7YNBVCSB4POG5QG2BVFKGLK

not attested not anchored not stored refs pending

The Doomsday Argument in Many Worlds

Austin Gerig

arxiv:1209.6251 v1 · 2012-09-27 · physics.pop-ph · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWI7YNBVCSB4POG5QG2BVFKGLK}

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	2026-05-18T03:44:34.849713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d91fc34351483c7b8dd81b41a95465aa07ec0c295c9d486c497277732aff74a

Aliases

arxiv: 1209.6251 · arxiv_version: 1209.6251v1 · doi: 10.48550/arxiv.1209.6251 · pith_short_12: DWI7YNBVCSB4 · pith_short_16: DWI7YNBVCSB4POG5 · pith_short_8: DWI7YNBV

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/DWI7YNBVCSB4POG5QG2BVFKGLK \
  | 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: 1d91fc34351483c7b8dd81b41a95465aa07ec0c295c9d486c497277732aff74a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abc7abbf56ac556eba37c94e571fd9bc5edfb9861342272f7176ee4678fba8bb",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2012-09-27T14:54:54Z",
    "title_canon_sha256": "1dbe0f8599b9290b375a9f8aed20bfbc23fb9f4138c24a9fd4abd5219a449db0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6251",
    "kind": "arxiv",
    "version": 1
  }
}