Pith Number

pith:HJMURW3J

pith:2019:HJMURW3JSQEV5E63PB2WO7I2IJ

not attested not anchored not stored refs pending

Bouncing Universe from Nothing

Fuminobu Takahashi, Hiroki Matsui, Takahiro Terada

arxiv:1904.12312 v3 · 2019-04-28 · 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{HJMURW3JSQEV5E63PB2WO7I2IJ}

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

Bouncing cosmologies from Born-Infeld-type gravity

Receipt and verification

First computed	2026-05-17T23:42:32.320850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a5948db6994095e93db7875677d1a4245f87baafe4ae16bf6edf9ac5d0f3a76

Aliases

arxiv: 1904.12312 · arxiv_version: 1904.12312v3 · doi: 10.48550/arxiv.1904.12312 · pith_short_12: HJMURW3JSQEV · pith_short_16: HJMURW3JSQEV5E63 · pith_short_8: HJMURW3J

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/HJMURW3JSQEV5E63PB2WO7I2IJ \
  | 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: 3a5948db6994095e93db7875677d1a4245f87baafe4ae16bf6edf9ac5d0f3a76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98f6dd5c2f9402a9f5859cb88a4225d96cde350945ab7b0c26e9aed324a879d6",
    "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": "2019-04-28T12:18:08Z",
    "title_canon_sha256": "d53080eb11cf3798f9025808e40ebdaee3792afb7d9e0d5f722457ec88697d80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12312",
    "kind": "arxiv",
    "version": 3
  }
}