Pith Number

pith:B2XJPWB6

pith:2007:B2XJPWB6Z6PKS4K6PQ74DJHMTJ

not attested not anchored not stored refs pending

Intelligent Life in Cosmology

Frank J. Tipler

arxiv:0704.0058 v1 · 2007-03-31 · physics.pop-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{B2XJPWB6Z6PKS4K6PQ74DJHMTJ}

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	2026-05-18T02:16:37.813008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eae97d83ecf9ea9715e7c3fc1a4ec9a5290316d58d3738d54dfbeba9010698e

Aliases

arxiv: 0704.0058 · arxiv_version: 0704.0058v1 · doi: 10.48550/arxiv.0704.0058 · pith_short_12: B2XJPWB6Z6PK · pith_short_16: B2XJPWB6Z6PKS4K6 · pith_short_8: B2XJPWB6

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/B2XJPWB6Z6PKS4K6PQ74DJHMTJ \
  | 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: 0eae97d83ecf9ea9715e7c3fc1a4ec9a5290316d58d3738d54dfbeba9010698e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83b4a1ad3c24e70267851f5b444ae45bd9edaf04af9cbdbc147708903ed3182c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2007-03-31T21:59:26Z",
    "title_canon_sha256": "ce0a42b8c4f407a586a75c18359052c886cabeaf97359d2afb057b220d66991b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0058",
    "kind": "arxiv",
    "version": 1
  }
}