Pith Number

pith:BDHFCQBH

pith:2010:BDHFCQBH2QGI7SL3ITNVRETYP6

not attested not anchored not stored refs pending

Cepheid Period-Luminosity Relation from the AKARI Observations

Chow-Choong Ngeow, Daisuke Kato, Hilding Neilson, Shashi M. Kanbur, Takashi Onaka, Yoshifusa Ita

arxiv:1006.1553 v1 · 2010-06-08 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDHFCQBH2QGI7SL3ITNVRETYP6}

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	2026-05-18T02:06:56.129121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08ce514027d40c8fc97b44db5892787fa2af8e8aaf8950742b640c6143842fe3

Aliases

arxiv: 1006.1553 · arxiv_version: 1006.1553v1 · doi: 10.48550/arxiv.1006.1553 · pith_short_12: BDHFCQBH2QGI · pith_short_16: BDHFCQBH2QGI7SL3 · pith_short_8: BDHFCQBH

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/BDHFCQBH2QGI7SL3ITNVRETYP6 \
  | 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: 08ce514027d40c8fc97b44db5892787fa2af8e8aaf8950742b640c6143842fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875105a4c904f152d8cc5a62f3b74c564badd1805342357b54ecf96816bb9dfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-08T13:31:32Z",
    "title_canon_sha256": "84d19baed2ea09b76ed21b0396610bd10f3221ca3df1c550d36d9190b2127fe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1553",
    "kind": "arxiv",
    "version": 1
  }
}