Pith Number

pith:LYK7DVOM

pith:2013:LYK7DVOM7SCZWE463KJCCNLOQD

not attested not anchored not stored refs pending

On the modification of the cosmic microwave background anisotropy spectrum from canonical quantum gravity

Claus Kiefer, Donato Bini, Francesco Pessina, Giampiero Esposito, Manuel Kraemer

arxiv:1303.0531 v2 · 2013-03-03 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYK7DVOM7SCZWE463KJCCNLOQD}

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	2026-05-18T01:51:17.686040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e15f1d5ccfc859b139eda9221356e80dbd5f85cbd1863c3457daf69fbe6f862

Aliases

arxiv: 1303.0531 · arxiv_version: 1303.0531v2 · doi: 10.48550/arxiv.1303.0531 · pith_short_12: LYK7DVOM7SCZ · pith_short_16: LYK7DVOM7SCZWE46 · pith_short_8: LYK7DVOM

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/LYK7DVOM7SCZWE463KJCCNLOQD \
  | 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: 5e15f1d5ccfc859b139eda9221356e80dbd5f85cbd1863c3457daf69fbe6f862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6848e6f42181f1e86b1dbc8b97d837e854dad452011c381f1ae0f77f7be2f2b5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-03T17:11:56Z",
    "title_canon_sha256": "0d738f458e1f7f4297d835ae3a4b959b20074a419544133de22743a3398c8d98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0531",
    "kind": "arxiv",
    "version": 2
  }
}