Pith Number

pith:C2TZBOE5

pith:2013:C2TZBOE5ZHZUGSKHNG6X4RPOYW

not attested not anchored not stored refs pending

Covariant and gauge-invariant linear scalar perturbations in multiple scalar field cosmologies

Artur Alho, Filipe C. Mena

arxiv:1311.6348 v1 · 2013-11-25 · 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{C2TZBOE5ZHZUGSKHNG6X4RPOYW}

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	2026-05-18T02:45:49.664699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a790b89dc9f343494769bd7e45eec5946a44de1ba26146331cd8f646efe36a

Aliases

arxiv: 1311.6348 · arxiv_version: 1311.6348v1 · doi: 10.48550/arxiv.1311.6348 · pith_short_12: C2TZBOE5ZHZU · pith_short_16: C2TZBOE5ZHZUGSKH · pith_short_8: C2TZBOE5

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/C2TZBOE5ZHZUGSKHNG6X4RPOYW \
  | 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: 16a790b89dc9f343494769bd7e45eec5946a44de1ba26146331cd8f646efe36a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a92d672e1f55e7bde7ca7cc7004582735c16c34546b5e036c38476d4bef048e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-11-25T16:06:51Z",
    "title_canon_sha256": "28de5106e8bfb09f1239759b23601ab8275ec6209611f03553c286b9d73ef56a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6348",
    "kind": "arxiv",
    "version": 1
  }
}