Pith Number

pith:FDRKU5N2

pith:2014:FDRKU5N2RC2J3VTFVPZUUD4VAD

not attested not anchored not stored refs pending

Reconsideration of the Coleman's Baby Universe

Kiyoharu Kawana

arxiv:1405.2743 v3 · 2014-05-12 · hep-th · 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{FDRKU5N2RC2J3VTFVPZUUD4VAD}

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	2026-05-18T01:46:14.186852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28e2aa75ba88b49dd665abf34a0f9500c873c0ad0cf2e6977913dbb19a634d29

Aliases

arxiv: 1405.2743 · arxiv_version: 1405.2743v3 · doi: 10.48550/arxiv.1405.2743 · pith_short_12: FDRKU5N2RC2J · pith_short_16: FDRKU5N2RC2J3VTF · pith_short_8: FDRKU5N2

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/FDRKU5N2RC2J3VTFVPZUUD4VAD \
  | 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: 28e2aa75ba88b49dd665abf34a0f9500c873c0ad0cf2e6977913dbb19a634d29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5e4cb4c8f2a2fc884ea96ce02701665b4621d4b80aa4fa6059862595c0abc85",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-05-12T13:19:32Z",
    "title_canon_sha256": "6705d44ecd005d45d9903a58cf1eec67320ee6f7ed81ceb563575c661468270f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2743",
    "kind": "arxiv",
    "version": 3
  }
}