Pith Number

pith:GUZV5BMO

pith:2007:GUZV5BMO4UIXQXZCUBUR4WALEF

not attested not anchored not stored refs pending

The Cosmological Constant is Probably Zero, and a Proof is Possibly Right

Zhong Chao Wu

arxiv:0709.3314 v3 · 2007-09-21 · gr-qc · astro-ph · 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{GUZV5BMO4UIXQXZCUBUR4WALEF}

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.

Cited by

1 paper in Pith

Topolons: Stable Particle-Like Remnants of Collapsed Vacuum Bubbles

Receipt and verification

First computed	2026-07-04T15:27:46.445569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35335e858ee511785f22a0691e580b217226195808a519de1d3a9c904f4645cf

Aliases

arxiv: 0709.3314 · arxiv_version: 0709.3314v3 · doi: 10.48550/arxiv.0709.3314 · pith_short_12: GUZV5BMO4UIX · pith_short_16: GUZV5BMO4UIXQXZC · pith_short_8: GUZV5BMO

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/GUZV5BMO4UIXQXZCUBUR4WALEF \
  | 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: 35335e858ee511785f22a0691e580b217226195808a519de1d3a9c904f4645cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eae4de3a2912381cb665cb3e99af583b69c0c5077254be91bcd27dc645680b87",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-09-21T16:07:53Z",
    "title_canon_sha256": "431f0e119a6b306ce2414bb115349baaad939ad192837f85df18a888b0180f4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.3314",
    "kind": "arxiv",
    "version": 3
  }
}