Pith Number

pith:6ACVVHWZ

pith:2018:6ACVVHWZ5B4T4UO43NNOJZC6XU

not attested not anchored not stored refs pending

Why Is There Something, Rather Than Nothing?

Sean M. Carroll

arxiv:1802.02231 v2 · 2018-02-06 · physics.hist-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ACVVHWZ5B4T4UO43NNOJZC6XU}

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	2026-05-18T00:14:14.064653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0055a9ed9e8793e51dcdb5ae4e45ebd2f843b4e41b3df1e2fe1d0a58abfdfc0

Aliases

arxiv: 1802.02231 · arxiv_version: 1802.02231v2 · doi: 10.48550/arxiv.1802.02231 · pith_short_12: 6ACVVHWZ5B4T · pith_short_16: 6ACVVHWZ5B4T4UO4 · pith_short_8: 6ACVVHWZ

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/6ACVVHWZ5B4T4UO43NNOJZC6XU \
  | 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: f0055a9ed9e8793e51dcdb5ae4e45ebd2f843b4e41b3df1e2fe1d0a58abfdfc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1958cf2163f003329f4b9777edc9da9c50b18d36085173508ac3f1fd20aad1da",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-02-06T21:42:22Z",
    "title_canon_sha256": "15b2277b290620fe5f48bd823d996781cc20362ac292502eb1ae5f7c99edb4fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02231",
    "kind": "arxiv",
    "version": 2
  }
}