Pith. sign in
Pith Number

pith:72TWWBDA

pith:2020:72TWWBDA6ZMRT7OYD2X36DET2W
not attested not anchored not stored refs pending

Robustness of slow contraction to cosmic initial conditions

Anna Ijjas, Elliot Y. Davies, Frans Pretorius, Paul J. Steinhardt, William G. Cook

arxiv:2006.04999 v2 · 2020-06-09 · gr-qc · astro-ph.CO · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{72TWWBDA6ZMRT7OYD2X36DET2W}

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

Receipt and verification
First computed 2026-07-05T01:26:52.238792Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fea76b0460f65919fdd81eafbf0c93d5bd708d91b48547578f0cfcb5d02e9970

Aliases

arxiv: 2006.04999 · arxiv_version: 2006.04999v2 · doi: 10.48550/arxiv.2006.04999 · pith_short_12: 72TWWBDA6ZMR · pith_short_16: 72TWWBDA6ZMRT7OY · pith_short_8: 72TWWBDA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/72TWWBDA6ZMRT7OYD2X36DET2W \
  | 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: fea76b0460f65919fdd81eafbf0c93d5bd708d91b48547578f0cfcb5d02e9970
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5b1d639221666a93bc5ae52805d69787e57f22ffaf9f880420dd2b9ff56a8bca",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-06-09T00:55:53Z",
    "title_canon_sha256": "3adff41353fb6641d16fd9ad499da4cfc0fcbc67bf6e3950a5b7cea9eb108723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.04999",
    "kind": "arxiv",
    "version": 2
  }
}