Pith Number

pith:QTDLGI4X

pith:2012:QTDLGI4XCDN4UBU5OJT24233BR

not attested not anchored not stored refs pending

Parameterizing the Deceleration Parameter

Diego Pav\'on, Ivan Duran, Ram\'on Herrera, Sergio del Campo

arxiv:1212.6874 v1 · 2012-12-31 · 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{QTDLGI4XCDN4UBU5OJT24233BR}

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	2026-05-18T03:37:29.623091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84c6b3239710dbca069d7267ae6b7b0c66b42e58496cc082df47d479330a1dd1

Aliases

arxiv: 1212.6874 · arxiv_version: 1212.6874v1 · doi: 10.48550/arxiv.1212.6874 · pith_short_12: QTDLGI4XCDN4 · pith_short_16: QTDLGI4XCDN4UBU5 · pith_short_8: QTDLGI4X

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/QTDLGI4XCDN4UBU5OJT24233BR \
  | 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: 84c6b3239710dbca069d7267ae6b7b0c66b42e58496cc082df47d479330a1dd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e5caf92ecc6115b84c93ce95382f9b37c8a0321ba7ef9ea05ab9ee480bf3d84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-31T12:04:49Z",
    "title_canon_sha256": "32a709e6aad374ee205a701b1918fc97fe2e2ce1dde6cf5dde3facf4d6b11cc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6874",
    "kind": "arxiv",
    "version": 1
  }
}