Pith Number

pith:S3KLQKPJ

pith:2013:S3KLQKPJPHCOOCGIQUSE6OV4VA

not attested not anchored not stored refs pending

Quantum simulations of the early universe

Bogdan Opanchuk, Joachim Brand, Oleksandr Fialko, Peter D. Drummond, Rodney Polkinghorne

arxiv:1305.5314 v2 · 2013-05-23 · cond-mat.quant-gas · astro-ph.CO · 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{S3KLQKPJPHCOOCGIQUSE6OV4VA}

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	2026-05-18T02:45:41.180940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96d4b829e979c4e708c885244f3abca82abcc010b68f4929f575b78be78124f5

Aliases

arxiv: 1305.5314 · arxiv_version: 1305.5314v2 · doi: 10.48550/arxiv.1305.5314 · pith_short_12: S3KLQKPJPHCO · pith_short_16: S3KLQKPJPHCOOCGI · pith_short_8: S3KLQKPJ

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/S3KLQKPJPHCOOCGIQUSE6OV4VA \
  | 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: 96d4b829e979c4e708c885244f3abca82abcc010b68f4929f575b78be78124f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adf147be89ef518c2113c946171fc0846b79ac98427b326ebde5dfa6aab99386",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2013-05-23T04:37:52Z",
    "title_canon_sha256": "59a8a863fd836b1bf719e3f23483c365801d90c259ed040954924055763ba032"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5314",
    "kind": "arxiv",
    "version": 2
  }
}