Pith Number

pith:HPSJQPHD

pith:2018:HPSJQPHDAMKNVJG2EPQOBN7RTL

not attested not anchored not stored refs pending

Chemical analysis of NGC 6528: one of the most metal-rich bulge globular cluster

B. Dias, C.C. Cort\'es, C. Moni Bidin, C. Mu\~noz, D. Geisler, F. Mauro, I. Saviane, R.E. Cohen, S. Villanova

arxiv:1809.04164 v1 · 2018-09-11 · astro-ph.SR · 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{HPSJQPHDAMKNVJG2EPQOBN7RTL}

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	2026-05-17T23:59:05.243444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3be4983ce30314daa4da23e0e0b7f19aff818f7c0cf562e376181fd681ac5621

Aliases

arxiv: 1809.04164 · arxiv_version: 1809.04164v1 · doi: 10.48550/arxiv.1809.04164 · pith_short_12: HPSJQPHDAMKN · pith_short_16: HPSJQPHDAMKNVJG2 · pith_short_8: HPSJQPHD

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/HPSJQPHDAMKNVJG2EPQOBN7RTL \
  | 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: 3be4983ce30314daa4da23e0e0b7f19aff818f7c0cf562e376181fd681ac5621

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "501e5a1d34a5228cef2379037d0b62e304723d21391a59c4b9b7a9bba86c9c54",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-11T21:08:10Z",
    "title_canon_sha256": "ba55e41b0e646a747319a20eef36edb42a8af0a8fd01de74f5bec926779c9f15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04164",
    "kind": "arxiv",
    "version": 1
  }
}