Pith Number

pith:TWMLJVDT

pith:2013:TWMLJVDTIUVF2EQ7JXZIBX4ALW

not attested not anchored not stored refs pending

The RR Lyrae variables and Horizontal Branch of NGC6656 (M22)

Alistair R. Walker, Andrea Kunder, Andrew Layden, Brian C. Chaboyer, Giuseppe Bono, Jae-Woo Lee, James L. Clem, Leonardo Paredes Alvarez, Marcio Catelan, Maurizio Salaris, Noriyuki Matsunaga, Peter B. Stetson, Santi Cassisi

arxiv:1308.6573 v1 · 2013-08-29 · 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{TWMLJVDTIUVF2EQ7JXZIBX4ALW}

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	2026-05-18T01:47:56.800198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d98b4d473452a5d121f4df280df805d8100a803dddca5c0e53eb32e748948aa

Aliases

arxiv: 1308.6573 · arxiv_version: 1308.6573v1 · doi: 10.48550/arxiv.1308.6573 · pith_short_12: TWMLJVDTIUVF · pith_short_16: TWMLJVDTIUVF2EQ7 · pith_short_8: TWMLJVDT

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/TWMLJVDTIUVF2EQ7JXZIBX4ALW \
  | 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: 9d98b4d473452a5d121f4df280df805d8100a803dddca5c0e53eb32e748948aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3902002e7fa07334c4976b52f45e86fcd2b21af625ac8f8f922c30e870c97033",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-29T19:52:54Z",
    "title_canon_sha256": "fbc470b510f32be469e0108a7c7de77fdd22fc52d9de0ecc874ca248e89d4eca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6573",
    "kind": "arxiv",
    "version": 1
  }
}