Pith Number

pith:AWSM4XTG

pith:2009:AWSM4XTGP3UPWWRA4VNJ53NVXE

not attested not anchored not stored refs pending

The Determination Of Reddening From Intrinsic VR Colors Of RR Lyrae Stars

Andrea Kunder, Andrew Layden, Brian Chaboyer

arxiv:0911.1770 v1 · 2009-11-09 · 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{AWSM4XTGP3UPWWRA4VNJ53NVXE}

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	2026-05-18T02:10:49.419125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05a4ce5e667ee8fb5a20e55a9eedb5b910cadd86eb12a90e9f843daddd223eee

Aliases

arxiv: 0911.1770 · arxiv_version: 0911.1770v1 · doi: 10.48550/arxiv.0911.1770 · pith_short_12: AWSM4XTGP3UP · pith_short_16: AWSM4XTGP3UPWWRA · pith_short_8: AWSM4XTG

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/AWSM4XTGP3UPWWRA4VNJ53NVXE \
  | 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: 05a4ce5e667ee8fb5a20e55a9eedb5b910cadd86eb12a90e9f843daddd223eee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c4b0320c49ffe5adf9c578f79fccd2ecd035faa575d10575c0e062d57e8a3f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-09T21:17:04Z",
    "title_canon_sha256": "f931043ed6a91b7874101a5797a2d7afdd74c6317958f7ceb7bb0726643ae062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1770",
    "kind": "arxiv",
    "version": 1
  }
}