Pith Number

pith:ESP7HBHY

pith:2012:ESP7HBHYPCZF5GGHQEZJ7BMM4R

not attested not anchored not stored refs pending

Lithium Abundances of the Super-Metal-Rich Open Cluster NGC 6253

Barbara Anthony-Twarog, Bruce Twarog, Constantine P. Deliyannis, Jeffrey D. Cummings, Ryan M. Maderak

arxiv:1209.5758 v1 · 2012-09-25 · 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{ESP7HBHYPCZF5GGHQEZJ7BMM4R}

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	2026-05-18T01:54:18.840074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

249ff384f878b25e98c781329f858ce4705c47da8c545c137dad57b6a51770f3

Aliases

arxiv: 1209.5758 · arxiv_version: 1209.5758v1 · doi: 10.48550/arxiv.1209.5758 · pith_short_12: ESP7HBHYPCZF · pith_short_16: ESP7HBHYPCZF5GGH · pith_short_8: ESP7HBHY

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/ESP7HBHYPCZF5GGHQEZJ7BMM4R \
  | 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: 249ff384f878b25e98c781329f858ce4705c47da8c545c137dad57b6a51770f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baecb9592b245f9954f312e12c41597b25930e846c343d07e7e6c52d63cc7dbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-25T20:31:08Z",
    "title_canon_sha256": "7195c66d5592efa5f90c22e11166e2d5bc2be6106c20179801135b664f46e06d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5758",
    "kind": "arxiv",
    "version": 1
  }
}