Pith Number

pith:GPPXN6LS

pith:2015:GPPXN6LSXZOES3SMRI5VHNA5XU

not attested not anchored not stored refs pending

Ground state of the universe and the cosmological constant. A nonperturbative analysis

Babar Qureshi, Viqar Husain

arxiv:1508.07664 v2 · 2015-08-31 · 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{GPPXN6LSXZOES3SMRI5VHNA5XU}

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	2026-05-18T01:20:34.426996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33df76f972be5c496e4c8a3b53b41dbd20d0f1205bdda584b9cf269c6f13dd76

Aliases

arxiv: 1508.07664 · arxiv_version: 1508.07664v2 · doi: 10.48550/arxiv.1508.07664 · pith_short_12: GPPXN6LSXZOE · pith_short_16: GPPXN6LSXZOES3SM · pith_short_8: GPPXN6LS

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/GPPXN6LSXZOES3SMRI5VHNA5XU \
  | 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: 33df76f972be5c496e4c8a3b53b41dbd20d0f1205bdda584b9cf269c6f13dd76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34af19352361095046d0b8ea51e9b5e0c4cbf2bdc0b842c67410240d2f22c37f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-08-31T02:10:52Z",
    "title_canon_sha256": "83ab9978c4a4387e9d32fd954177962bbd4383016c611b737cf6e58d733400e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07664",
    "kind": "arxiv",
    "version": 2
  }
}