Pith Number

pith:FPRD52ZK

pith:2018:FPRD52ZKOXOSD3I3I6AFNNUMOX

not attested not anchored not stored refs pending

Search for a metallicity spread in the multiple population Large Magellanic Cloud cluster NGC 1978

Andr\'es E. Piatti, Jeremy Bailin

arxiv:1812.00685 v1 · 2018-12-03 · 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{FPRD52ZKOXOSD3I3I6AFNNUMOX}

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	2026-05-17T23:55:53.644833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2be23eeb2a75dd21ed1b478056b68c75d951589d217083493aa4f9598e2b6026

Aliases

arxiv: 1812.00685 · arxiv_version: 1812.00685v1 · doi: 10.48550/arxiv.1812.00685 · pith_short_12: FPRD52ZKOXOS · pith_short_16: FPRD52ZKOXOSD3I3 · pith_short_8: FPRD52ZK

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/FPRD52ZKOXOSD3I3I6AFNNUMOX \
  | 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: 2be23eeb2a75dd21ed1b478056b68c75d951589d217083493aa4f9598e2b6026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54096cc46609f6e4062ea9c20f4c26042897430b9e2cf5867b5217e435482a91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-03T11:45:39Z",
    "title_canon_sha256": "4c222a3d89c8bbad2239cf47a7f7e193579e4d9a7769ee06a44b2869c1c1c9de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00685",
    "kind": "arxiv",
    "version": 1
  }
}