Pith Number

pith:VUNX5SQ7

pith:2012:VUNX5SQ7NTCCR4KZIL37IKQLR2

not attested not anchored not stored refs pending

A super-Li rich turnoff star in NGC 6397 - the puzzle persists

Andreas Koch, Ian B. Thompson, Karin Lind, R. Michael Rich

arxiv:1203.6079 v1 · 2012-03-27 · astro-ph.GA · 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{VUNX5SQ7NTCCR4KZIL37IKQLR2}

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	2026-05-18T03:59:04.228076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad1b7eca1f6cc428f15942f7f42a0b8e80b3527a48ad0c53406f0c86e50b02c7

Aliases

arxiv: 1203.6079 · arxiv_version: 1203.6079v1 · doi: 10.48550/arxiv.1203.6079 · pith_short_12: VUNX5SQ7NTCC · pith_short_16: VUNX5SQ7NTCCR4KZ · pith_short_8: VUNX5SQ7

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/VUNX5SQ7NTCCR4KZIL37IKQLR2 \
  | 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: ad1b7eca1f6cc428f15942f7f42a0b8e80b3527a48ad0c53406f0c86e50b02c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25727695c1013d11ca09bda3e62d5357400336bf90ffb37202e399ff1bddf5d9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-03-27T20:19:05Z",
    "title_canon_sha256": "58587d289ed2c19aed817f57d8ced624822455ed2d063571112a99233a30a3d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6079",
    "kind": "arxiv",
    "version": 1
  }
}