Pith Number

pith:ZAACP2YE

pith:2018:ZAACP2YE2AT7RXYGXR5DS3LHCU

not attested not anchored not stored refs pending

A {\it Chandra} Survey of Milky Way Globular Clusters I: Emissivity and Abundance of Weak X-ray Sources

Xiangdong Li, Xiaojie Xu, Zhiyuan Li, Zhongqun Cheng

arxiv:1803.09892 v2 · 2018-03-27 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAACP2YE2AT7RXYGXR5DS3LHCU}

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	2026-05-18T00:15:54.975641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c80027eb04d027f8df06bc7a396d6715182e098fb1b2193f54378b6cf9801fda

Aliases

arxiv: 1803.09892 · arxiv_version: 1803.09892v2 · doi: 10.48550/arxiv.1803.09892 · pith_short_12: ZAACP2YE2AT7 · pith_short_16: ZAACP2YE2AT7RXYG · pith_short_8: ZAACP2YE

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/ZAACP2YE2AT7RXYGXR5DS3LHCU \
  | 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: c80027eb04d027f8df06bc7a396d6715182e098fb1b2193f54378b6cf9801fda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6761ed45249a313b7a2f6adfc7c544eed966ed0b924a8971a49fdd53d1944175",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-03-27T04:28:19Z",
    "title_canon_sha256": "90dda31a79eef691237cd0514d5f94023ea67054b35f03c2b6ba5b7140f4b880"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09892",
    "kind": "arxiv",
    "version": 2
  }
}