Pith Number

pith:PPEPT7GU

pith:2002:PPEPT7GUAMXBUNUTPNGLMV4OVU

not attested not anchored not stored refs pending

A Space-Time Orbifold: A Toy Model for a Cosmological Singularity

Asad Naqvi, Esko Keski-Vakkuri, S. F. Hassan, Vijay Balasubramanian

arxiv:hep-th/0202187 v2 · 2002-02-26 · 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{PPEPT7GUAMXBUNUTPNGLMV4OVU}

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

Polymer Black Hole Surrounded by Quintessence

Receipt and verification

First computed	2026-07-04T16:34:34.590386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc8f9fcd4032e1a36937b4cb6578ead15ae7c4fdfedfec61b9483c9dba8cfee

Aliases

arxiv: hep-th/0202187 · arxiv_version: hep-th/0202187v2 · doi: 10.48550/arxiv.hep-th/0202187 · pith_short_12: PPEPT7GUAMXB · pith_short_16: PPEPT7GUAMXBUNUT · pith_short_8: PPEPT7GU

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/PPEPT7GUAMXBUNUTPNGLMV4OVU \
  | 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: 7bc8f9fcd4032e1a36937b4cb6578ead15ae7c4fdfedfec61b9483c9dba8cfee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ec9711a747b35bec11e74b796a4ae4bd08664ecc63fb454319f88c6bcecc8d3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-02-26T20:54:10Z",
    "title_canon_sha256": "b82a085700d006bac04493fa8ac8bec14fc3f5c209e05e53150e5948162cc933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0202187",
    "kind": "arxiv",
    "version": 2
  }
}