Pith Number

pith:KOQGTT5Q

pith:2012:KOQGTT5Q4CX46IPQJYM4LU2SET

not attested not anchored not stored refs pending

Interacting universes and the cosmological constant

A. Alonso-Serrano, C. Bastos, O. Bertolami, S. Robles-Perez

arxiv:1207.6852 v1 · 2012-07-30 · 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{KOQGTT5Q4CX46IPQJYM4LU2SET}

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	2026-05-18T00:38:44.413538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53a069cfb0e0afcf21f04e19c5d35224c77a392853ba0e22582ef75bf4ea9c95

Aliases

arxiv: 1207.6852 · arxiv_version: 1207.6852v1 · doi: 10.48550/arxiv.1207.6852 · pith_short_12: KOQGTT5Q4CX4 · pith_short_16: KOQGTT5Q4CX46IPQ · pith_short_8: KOQGTT5Q

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/KOQGTT5Q4CX46IPQJYM4LU2SET \
  | 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: 53a069cfb0e0afcf21f04e19c5d35224c77a392853ba0e22582ef75bf4ea9c95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a103f8e53a05f5f2ca4d7bcf8dff2b3a483654f20f8904b40d816baa74aa6c72",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-07-30T07:10:42Z",
    "title_canon_sha256": "8f7697e1952e4ff3164823a43c79260a1a65927c9729a371b6dddc4cfa01edfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6852",
    "kind": "arxiv",
    "version": 1
  }
}