pith. sign in
Pith Number

pith:YRJ2O2VL

pith:2013:YRJ2O2VLGK4QE2JIGYGW46AOOQ
not attested not anchored not stored refs pending

Null fluid collapse in brane world models

Matthew J. Lake, Tiberiu Harko

arxiv:1312.1420 v3 · 2013-12-05 · gr-qc · astro-ph.HE · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YRJ2O2VLGK4QE2JIGYGW46AOOQ}

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 2026-05-18T01:32:01.349249Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c453a76aab32b9026928360d6e780e7428a4a7d045b61204c1bf5e3e6e642305

Aliases

arxiv: 1312.1420 · arxiv_version: 1312.1420v3 · doi: 10.48550/arxiv.1312.1420 · pith_short_12: YRJ2O2VLGK4Q · pith_short_16: YRJ2O2VLGK4QE2JI · pith_short_8: YRJ2O2VL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YRJ2O2VLGK4QE2JIGYGW46AOOQ \
  | 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: c453a76aab32b9026928360d6e780e7428a4a7d045b61204c1bf5e3e6e642305
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "62c7a07fcbac7997f9a9b362f8e9bb73f2c57851f6dce478221811c25bd87706",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-12-05T03:14:26Z",
    "title_canon_sha256": "8c9c7c65cb4a83807db47b60d73c169a99ef04b1bdb2459c8712a109de544626"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1420",
    "kind": "arxiv",
    "version": 3
  }
}