Pith Number

pith:XKEQKFRF

pith:2013:XKEQKFRFC22KL7MD737AXAOURW

not attested not anchored not stored refs pending

Anisotropy in a Nonsingular Bounce

Patrick Peter, Robert Brandenberger, Yi-Fu Cai

arxiv:1301.4703 v2 · 2013-01-20 · gr-qc · astro-ph.CO · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XKEQKFRFC22KL7MD737AXAOURW}

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

3 papers in Pith

Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

Phase-resolved field-space distance bounds in ekpyrotic, bouncing and cyclic cosmologies

Receipt and verification

First computed	2026-05-18T03:30:54.997079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba8905162516b4a5fd83fefe0b81d48d92ffa98c6e299a7f7cd3430eeb8640b0

Aliases

arxiv: 1301.4703 · arxiv_version: 1301.4703v2 · doi: 10.48550/arxiv.1301.4703 · pith_short_12: XKEQKFRFC22K · pith_short_16: XKEQKFRFC22KL7MD · pith_short_8: XKEQKFRF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XKEQKFRFC22KL7MD737AXAOURW \
  | 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: ba8905162516b4a5fd83fefe0b81d48d92ffa98c6e299a7f7cd3430eeb8640b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37c022671d04cc01df4ee0eb6eba6c18fea34673d8df60362567717509fe5d68",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-20T22:37:42Z",
    "title_canon_sha256": "ac0f0bdf005f876041833f1111698a8178c7893a3c4be637cd1708bbc1f73591"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4703",
    "kind": "arxiv",
    "version": 2
  }
}