Pith Number

pith:IRV3LKO2

pith:2014:IRV3LKO2ZBJDX4XYEMKIYRMPQY

not attested not anchored not stored refs pending

Superselection rule for the cosmological constant in three-dimensional spacetime

Alfredo Perez, Claudio Bunster

arxiv:1412.1492 v1 · 2014-12-03 · 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{IRV3LKO2ZBJDX4XYEMKIYRMPQY}

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	2026-05-18T01:41:23.512154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446bb5a9dac8523bf2f823148c458f862c520e4044c2bf3d35059267ef61cd00

Aliases

arxiv: 1412.1492 · arxiv_version: 1412.1492v1 · doi: 10.48550/arxiv.1412.1492 · pith_short_12: IRV3LKO2ZBJD · pith_short_16: IRV3LKO2ZBJDX4XY · pith_short_8: IRV3LKO2

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/IRV3LKO2ZBJDX4XYEMKIYRMPQY \
  | 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: 446bb5a9dac8523bf2f823148c458f862c520e4044c2bf3d35059267ef61cd00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72394fd14865c68f5c1d8814ccc37a388a80d172ab915e4c84315d2726fd16c1",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-12-03T21:20:10Z",
    "title_canon_sha256": "315ca900cd2ed4ec869b26deb28f6a9d95943b551212c0a88d18b38db25fcccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1492",
    "kind": "arxiv",
    "version": 1
  }
}