Pith Number

pith:37KVKZIJ

pith:2011:37KVKZIJDO6NRLIAPQRHACPILP

not attested not anchored not stored refs pending

Emergent Universe by Tunneling

Pedro Labrana

arxiv:1111.5360 v3 · 2011-11-22 · gr-qc · astro-ph.CO · 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{37KVKZIJDO6NRLIAPQRHACPILP}

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	2026-05-18T01:59:26.594421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfd55565091bbcd8ad007c227009e85bd76fe8d2dd072787b6e46c7663f4c40f

Aliases

arxiv: 1111.5360 · arxiv_version: 1111.5360v3 · doi: 10.48550/arxiv.1111.5360 · pith_short_12: 37KVKZIJDO6N · pith_short_16: 37KVKZIJDO6NRLIA · pith_short_8: 37KVKZIJ

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/37KVKZIJDO6NRLIAPQRHACPILP \
  | 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: dfd55565091bbcd8ad007c227009e85bd76fe8d2dd072787b6e46c7663f4c40f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0abd46fb33d75f705aebbd20d1563f7c53face8202716dc353966c94158e3c0",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-11-22T22:50:49Z",
    "title_canon_sha256": "fe947883f78661d794d071517fb7a9ea2ff7748fa59029cd61ae9bf200d13987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5360",
    "kind": "arxiv",
    "version": 3
  }
}