pith. sign in
Pith Number

pith:NTI5YDVC

pith:2009:NTI5YDVCU72JVDUGLH3U3KXEPO
not attested not anchored not stored refs pending

Spacetime Singularities in String and its Low Dimensional Effective Theory

Andreas Tziolas, Anzhong Wang, Preet Sharma, Zhong Chao Wu

arxiv:0901.2676 v4 · 2009-01-18 · hep-th · astro-ph.CO · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NTI5YDVCU72JVDUGLH3U3KXEPO}

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 2026-05-18T04:30:58.315373Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6cd1dc0ea2a7f49a8e8659f74daae47ba31442946f084e81989873b9e74dddfa

Aliases

arxiv: 0901.2676 · arxiv_version: 0901.2676v4 · doi: 10.48550/arxiv.0901.2676 · pith_short_12: NTI5YDVCU72J · pith_short_16: NTI5YDVCU72JVDUG · pith_short_8: NTI5YDVC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NTI5YDVCU72JVDUGLH3U3KXEPO \
  | 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: 6cd1dc0ea2a7f49a8e8659f74daae47ba31442946f084e81989873b9e74dddfa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "21d5cab384bf490eab402a727f0c8793fcfcce33933e7d246e7099851e5028eb",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-01-18T02:37:26Z",
    "title_canon_sha256": "f7ee29e844795b49c56fd35f6696bd2e423a70bd3bc1064f7d7a9c8470f341c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2676",
    "kind": "arxiv",
    "version": 4
  }
}