Pith Number

pith:XH2SS6N5

pith:2011:XH2SS6N5P4OOPUXZKJMFLJZHUV

not attested not anchored not stored refs pending

Synthetic Cepheid Period-Luminosity & Period-Color Relations in Spitzer's IRAC Bands

C.-C. Ngeow, I. Musella, M. Cignoni, M. Marconi, M. Marengo, S. Kanbur

arxiv:1111.2100 v1 · 2011-11-09 · 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{XH2SS6N5P4OOPUXZKJMFLJZHUV}

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	2026-05-18T04:08:44.124426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9f52979bd7f1ce7d2f9525855a727a55f4ca2ea6e3527fefb07ce6fe8163efd

Aliases

arxiv: 1111.2100 · arxiv_version: 1111.2100v1 · doi: 10.48550/arxiv.1111.2100 · pith_short_12: XH2SS6N5P4OO · pith_short_16: XH2SS6N5P4OOPUXZ · pith_short_8: XH2SS6N5

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/XH2SS6N5P4OOPUXZKJMFLJZHUV \
  | 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: b9f52979bd7f1ce7d2f9525855a727a55f4ca2ea6e3527fefb07ce6fe8163efd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f4a4a922f8721d17b301a6aee116905de3dcc0085bb6574c18d2b3d0e26e4c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-09T04:16:15Z",
    "title_canon_sha256": "52543c172a12e2fdaa7e6f4f117b9f791f8fc2d680b6cc935a020092a0e925ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2100",
    "kind": "arxiv",
    "version": 1
  }
}