Pith Number

pith:JM6XHGVY

pith:2013:JM6XHGVYSG5NBZRMFZPDZBABYA

not attested not anchored not stored refs pending

Colors of c-type RR Lyrae Stars and Interstellar Reddening

Andrew Layden, Paul Husband, Tyler Anderson

arxiv:1310.0549 v1 · 2013-10-02 · 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{JM6XHGVYSG5NBZRMFZPDZBABYA}

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	2026-05-18T03:11:34.918714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b3d739ab891bad0e62c2e5e3c8401c00b77356e85a7d1ec7671ed3b2344ce2c

Aliases

arxiv: 1310.0549 · arxiv_version: 1310.0549v1 · doi: 10.48550/arxiv.1310.0549 · pith_short_12: JM6XHGVYSG5N · pith_short_16: JM6XHGVYSG5NBZRM · pith_short_8: JM6XHGVY

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/JM6XHGVYSG5NBZRMFZPDZBABYA \
  | 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: 4b3d739ab891bad0e62c2e5e3c8401c00b77356e85a7d1ec7671ed3b2344ce2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "860867560cff28a20498a0952b2f32167cdbcc5d660123073491e318c697acfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-02T02:27:09Z",
    "title_canon_sha256": "8d7c2fe8bdca08c451245f913e7afb4b7e0e97a060efcd964111733a0c07cb67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0549",
    "kind": "arxiv",
    "version": 1
  }
}