Pith Number

pith:P46VEFZU

pith:2013:P46VEFZU66LPBJAWCUWNLVNSSZ

not attested not anchored not stored refs pending

The paradox of soft singularity crossing avoided by distributional cosmological quantities

A. Kamenshchik, L. Gergely, Z. Keresztes

arxiv:1302.3950 v1 · 2013-02-16 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P46VEFZU66LPBJAWCUWNLVNSSZ}

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	2026-05-18T02:30:47.815614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f3d521734f796f0a416152cd5d5b296601d1e872a2271568534b77c4f77d60c

Aliases

arxiv: 1302.3950 · arxiv_version: 1302.3950v1 · doi: 10.48550/arxiv.1302.3950 · pith_short_12: P46VEFZU66LP · pith_short_16: P46VEFZU66LPBJAW · pith_short_8: P46VEFZU

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/P46VEFZU66LPBJAWCUWNLVNSSZ \
  | 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: 7f3d521734f796f0a416152cd5d5b296601d1e872a2271568534b77c4f77d60c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff18e7156b61aa5a7683f01f2294dfe189b198c3430baa53ed580451edc06722",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-16T09:48:23Z",
    "title_canon_sha256": "ba259e58eed248e731294194939ae532f5d043cd100bc8f10d0732bc7a0d6e33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3950",
    "kind": "arxiv",
    "version": 1
  }
}