Pith Number

pith:SWTTT2XQ

pith:2013:SWTTT2XQNBQVU7KTTRKRZPHM5F

not attested not anchored not stored refs pending

Searching for chemical inhomogeneities in Open Clusters: Analysis of the CN and CH Molecular Band Strengths in NGC 2158, NGC 2420, NGC 2682, NGC 7789 and Berkeley 29

2), 2) ((1) Instituto de Astrofisica de Canarias, (2) Departamento de Astrofisica, C. E. Martinez-Vazquez (1, R. Carrera (1, Spain, Spain), Universidad de La Laguna

arxiv:1308.4548 v1 · 2013-08-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWTTT2XQNBQVU7KTTRKRZPHM5F}

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	2026-05-18T01:48:07.258927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95a739eaf068615a7d539c551cbcece94bb6b172857ba75f1e5d749f2fdfd280

Aliases

arxiv: 1308.4548 · arxiv_version: 1308.4548v1 · doi: 10.48550/arxiv.1308.4548 · pith_short_12: SWTTT2XQNBQV · pith_short_16: SWTTT2XQNBQVU7KT · pith_short_8: SWTTT2XQ

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/SWTTT2XQNBQVU7KTTRKRZPHM5F \
  | 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: 95a739eaf068615a7d539c551cbcece94bb6b172857ba75f1e5d749f2fdfd280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3afb791fc03567cd4d141eeaa205c49bb7ea4e89c3ab845b10276cec8080eda5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-21T11:44:27Z",
    "title_canon_sha256": "fedd07c87ef3324c0172771c52ed5a0bf844230d05ee818bd54e861b6bc5b42e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4548",
    "kind": "arxiv",
    "version": 1
  }
}