Pith Number

pith:EDNEZW4F

pith:2020:EDNEZW4F2NWSWZW5XJRIHUTFSK

not attested not anchored not stored refs pending

Sourcing curvature modes with entropy perturbations in non-singular bouncing cosmologies

Anna Ijjas, Roman Kolevatov

arxiv:2012.08249 v1 · 2020-12-15 · gr-qc · astro-ph.CO · 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{EDNEZW4F2NWSWZW5XJRIHUTFSK}

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

Probability of the Initial Conditions for Inflation and Slow Contraction

Receipt and verification

First computed	2026-07-05T02:47:03.065991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20da4cdb85d36d2b66ddba6283d26592965ed507cb54b0c163ccbf458ce75810

Aliases

arxiv: 2012.08249 · arxiv_version: 2012.08249v1 · doi: 10.48550/arxiv.2012.08249 · pith_short_12: EDNEZW4F2NWS · pith_short_16: EDNEZW4F2NWSWZW5 · pith_short_8: EDNEZW4F

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/EDNEZW4F2NWSWZW5XJRIHUTFSK \
  | 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: 20da4cdb85d36d2b66ddba6283d26592965ed507cb54b0c163ccbf458ce75810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e03bb87aab80ab63626977f4607b4538f44a6d67a521cdb0e74b82634de3610",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-12-15T12:29:20Z",
    "title_canon_sha256": "51b7cfe16ddb3fd4b58e779d4ea104187b0ab128110dd0212a8db2a973ff54fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08249",
    "kind": "arxiv",
    "version": 1
  }
}