Pith Number

pith:ZZIBZHA2

pith:2005:ZZIBZHA2TPCOD75LILFMYB7LRJ

not attested not anchored not stored refs pending

Brane Universes and the Cosmological Constant

Ulrich Ellwanger

arxiv:hep-th/0509062 v2 · 2005-09-09 · 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{ZZIBZHA2TPCOD75LILFMYB7LRJ}

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	2026-07-04T16:56:19.432166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce501c9c1a9bc4e1ffab42cacc07eb8a48e38b1b5562930c5536245403f8ed0f

Aliases

arxiv: hep-th/0509062 · arxiv_version: hep-th/0509062v2 · doi: 10.48550/arxiv.hep-th/0509062 · pith_short_12: ZZIBZHA2TPCO · pith_short_16: ZZIBZHA2TPCOD75L · pith_short_8: ZZIBZHA2

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/ZZIBZHA2TPCOD75LILFMYB7LRJ \
  | 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: ce501c9c1a9bc4e1ffab42cacc07eb8a48e38b1b5562930c5536245403f8ed0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac233c6dd43a80dbffd98ce53ac27d5991d585b6ed2cdf9153a86ba356e3a992",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2005-09-09T12:53:08Z",
    "title_canon_sha256": "db3d905d9a88f30d034aff8733bb2be315c19898e98ccda996b6b6ea7de9d5a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0509062",
    "kind": "arxiv",
    "version": 2
  }
}