pith. sign in
Pith Number

pith:YDV32JGX

pith:2011:YDV32JGXVL673ENZFZXFIDBAHJ
not attested not anchored not stored refs pending

Observational signatures of a non-singular bouncing cosmology

Larissa Lorenz, Marc Lilley, Sebastien Clesse

arxiv:1104.3494 v2 · 2011-04-18 · gr-qc · astro-ph.CO · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YDV32JGXVL673ENZFZXFIDBAHJ}

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 2026-05-18T02:02:23.570297Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c0ebbd24d7aafdfd91b92e6e540c203a5bde93cfd20b9c092f1fa40ab1a35af7

Aliases

arxiv: 1104.3494 · arxiv_version: 1104.3494v2 · doi: 10.48550/arxiv.1104.3494 · pith_short_12: YDV32JGXVL67 · pith_short_16: YDV32JGXVL673ENZ · pith_short_8: YDV32JGX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YDV32JGXVL673ENZFZXFIDBAHJ \
  | 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: c0ebbd24d7aafdfd91b92e6e540c203a5bde93cfd20b9c092f1fa40ab1a35af7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fc66576d0dd736ae5dacc2ca86763a65f44e94aa42cec052bd6f4c8a12a11bc3",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-04-18T14:26:11Z",
    "title_canon_sha256": "c5472a6508e7cedfe02f8056acddfe1403171372f179da2131bbd66b81ebbd62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3494",
    "kind": "arxiv",
    "version": 2
  }
}