Pith Number

pith:JOY4D4UT

pith:2011:JOY4D4UT5IO65AJQ4RBI7NF5U7

not attested not anchored not stored refs pending

Discovery of a super-Li rich turn-off star in the metal poor globular cluster NGC 6397

Andreas Koch, Karin Lind, R. Michael Rich

arxiv:1108.2033 v1 · 2011-08-09 · 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{JOY4D4UT5IO65AJQ4RBI7NF5U7}

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	2026-05-18T02:00:59.629983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bb1c1f293ea1dee8130e4428fb4bda7d61ccab8c8371861669ab81013c308cc

Aliases

arxiv: 1108.2033 · arxiv_version: 1108.2033v1 · doi: 10.48550/arxiv.1108.2033 · pith_short_12: JOY4D4UT5IO6 · pith_short_16: JOY4D4UT5IO65AJQ · pith_short_8: JOY4D4UT

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/JOY4D4UT5IO65AJQ4RBI7NF5U7 \
  | 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: 4bb1c1f293ea1dee8130e4428fb4bda7d61ccab8c8371861669ab81013c308cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f668c9b0acb2265a9c52b444c1d4040c70e6c0c2a74c786f97b2d0ad6378508f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-08-09T20:00:01Z",
    "title_canon_sha256": "d66ec8323abd4cf58c95b9a258e60aa666f83d8e435a8f9de3e845bcac2b40cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2033",
    "kind": "arxiv",
    "version": 1
  }
}