Pith Number

pith:KKL7CO7Z

pith:2016:KKL7CO7ZTFVHCBQIYXOOFO4PAY

not attested not anchored not stored refs pending

Ca II triplet spectroscopy of RGB stars in NGC 6822: kinematics and metallicities

Andrew A. Cole, Eline Tolstoy, Jesse Swan, Mike J. Irwin

arxiv:1602.01897 v1 · 2016-02-05 · 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{KKL7CO7ZTFVHCBQIYXOOFO4PAY}

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	2026-05-18T01:21:15.117778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5297f13bf9996a710608c5dce2bb8f06229f53c9b6c6cac04014f5469cf8bc12

Aliases

arxiv: 1602.01897 · arxiv_version: 1602.01897v1 · doi: 10.48550/arxiv.1602.01897 · pith_short_12: KKL7CO7ZTFVH · pith_short_16: KKL7CO7ZTFVHCBQI · pith_short_8: KKL7CO7Z

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/KKL7CO7ZTFVHCBQIYXOOFO4PAY \
  | 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: 5297f13bf9996a710608c5dce2bb8f06229f53c9b6c6cac04014f5469cf8bc12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f70ce8beb95e2b55e37ca7a9ab960dd697e7eab188fe42083f85d04de4719e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-05T00:27:01Z",
    "title_canon_sha256": "e2ee5ed4a2105c044ead93c8214c5eefcfa8d1e91e5ad2578bddcd09cbf484de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01897",
    "kind": "arxiv",
    "version": 1
  }
}