Pith Number

pith:BPJHM77H

pith:2011:BPJHM77HLQBDDY2BD3TXIZPLAA

not attested not anchored not stored refs pending

Cosmological dynamics with non-linear interactions

Anna Paula Ramos Bacalhau, Fabiola Ar\'evalo, Winfried Zimdahl

arxiv:1112.5095 v2 · 2011-12-21 · 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{BPJHM77HLQBDDY2BD3TXIZPLAA}

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	2026-05-18T01:59:03.838028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bd2767fe75c0231e3411ee77465eb001d1004e293c1022311e8e81c5b1fdd70

Aliases

arxiv: 1112.5095 · arxiv_version: 1112.5095v2 · doi: 10.48550/arxiv.1112.5095 · pith_short_12: BPJHM77HLQBD · pith_short_16: BPJHM77HLQBDDY2B · pith_short_8: BPJHM77H

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/BPJHM77HLQBDDY2BD3TXIZPLAA \
  | 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: 0bd2767fe75c0231e3411ee77465eb001d1004e293c1022311e8e81c5b1fdd70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd3fcc1ecf08c7f074c40b4b1c8685b73a2605ac688ff5985f2d4c46d3decdf2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-21T17:06:32Z",
    "title_canon_sha256": "171d5e8b24071047e8f046ee01aa63486c4de5c768b39ab97cd5f1487cea752c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5095",
    "kind": "arxiv",
    "version": 2
  }
}