Pith Number

pith:BRHCQDKY

pith:2011:BRHCQDKYDSR6YRL7O6QUSABEUH

not attested not anchored not stored refs pending

Are the two peaks of the Cathedral QPO real harmonics?

Jerome Rodriguez, Peggy Varni\`ere

arxiv:1111.1501 v1 · 2011-11-07 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BRHCQDKYDSR6YRL7O6QUSABEUH}

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	2026-05-18T04:09:25.962921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c4e280d581ca3ec457f77a1490024a1fdad1e515f4261e320f4623be1970df5

Aliases

arxiv: 1111.1501 · arxiv_version: 1111.1501v1 · doi: 10.48550/arxiv.1111.1501 · pith_short_12: BRHCQDKYDSR6 · pith_short_16: BRHCQDKYDSR6YRL7 · pith_short_8: BRHCQDKY

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/BRHCQDKYDSR6YRL7O6QUSABEUH \
  | 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: 0c4e280d581ca3ec457f77a1490024a1fdad1e515f4261e320f4623be1970df5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee99469c3952e0665b6514edc77dcb171605dfca99ed0741ca883473bbc51796",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-11-07T07:48:28Z",
    "title_canon_sha256": "d2dacadfeef48d6b3dce7fad7ddb2081e1909b843aa71033f3e416ef847c120f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1501",
    "kind": "arxiv",
    "version": 1
  }
}