Pith Number

pith:IYXTQMKC

pith:2012:IYXTQMKCEEARO7RYSJXRXSBYUH

not attested not anchored not stored refs pending

QPO in RE J1034+396: model constraints from observed trends

B. Czerny, M. Dovciak, P. Lachowicz, Tapas K. Das, T. Pechacek, V. Karas

arxiv:1202.2087 v1 · 2012-02-09 · astro-ph.CO · 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{IYXTQMKCEEARO7RYSJXRXSBYUH}

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	2026-05-18T01:58:31.631356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

462f3831422101177e38926f1bc838a1c5c14a701bb4be40aedbf17d46148fc3

Aliases

arxiv: 1202.2087 · arxiv_version: 1202.2087v1 · doi: 10.48550/arxiv.1202.2087 · pith_short_12: IYXTQMKCEEAR · pith_short_16: IYXTQMKCEEARO7RY · pith_short_8: IYXTQMKC

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/IYXTQMKCEEARO7RYSJXRXSBYUH \
  | 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: 462f3831422101177e38926f1bc838a1c5c14a701bb4be40aedbf17d46148fc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b0d94937e737a2c0eee466448bf37e81b3e4a8fd5ea0a9a3dd5fa43aa76cd5e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-09T19:35:23Z",
    "title_canon_sha256": "df7454b1f299b3d96dca40cf4ee02e88e4b24d3ca61b10a49782f835a6fd5e6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2087",
    "kind": "arxiv",
    "version": 1
  }
}