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Pith Number

pith:KPYK4MMK

pith:2013:KPYK4MMKL52DEIDPU5ZCV2WKB4
not attested not anchored not stored refs pending

Rolling Through a Vacuum

I-Sheng Yang, Jan Pieter van der Schaar

arxiv:1304.6954 v2 · 2013-04-25 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KPYK4MMKL52DEIDPU5ZCV2WKB4}

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 2026-05-18T01:50:21.784698Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

53f0ae318a5f7432206fa7722aeaca0f2b06a6f375a53f6f1f2138353073c446

Aliases

arxiv: 1304.6954 · arxiv_version: 1304.6954v2 · doi: 10.48550/arxiv.1304.6954 · pith_short_12: KPYK4MMKL52D · pith_short_16: KPYK4MMKL52DEIDP · pith_short_8: KPYK4MMK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KPYK4MMKL52DEIDPU5ZCV2WKB4 \
  | 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: 53f0ae318a5f7432206fa7722aeaca0f2b06a6f375a53f6f1f2138353073c446
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6ccf57cf626dd7cea04a10a6653c10bc9d50588ff0bb4a00d8bd7a41846298f9",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-04-25T16:19:40Z",
    "title_canon_sha256": "16d64c6296721edeedbe8d86951481e806f90a3bce9b846711cc5b4347f4a454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6954",
    "kind": "arxiv",
    "version": 2
  }
}