Pith Number

pith:5LV4UK6B

pith:2018:5LV4UK6BB3BUOUKHWCTI4JFW6P

not attested not anchored not stored refs pending

A Chandra Study of The Stellar X-ray Emissivity of Globular Clusters in M\,31 Bulge

Xiao-jie Xu, Zhiyuan Li

arxiv:1804.00829 v1 · 2018-04-03 · astro-ph.HE · 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{5LV4UK6BB3BUOUKHWCTI4JFW6P}

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	2026-05-18T00:18:48.672816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaebca2bc10ec3475147b0a68e24b6f3f53df98b6a8ea90999ba15277d614acf

Aliases

arxiv: 1804.00829 · arxiv_version: 1804.00829v1 · doi: 10.48550/arxiv.1804.00829 · pith_short_12: 5LV4UK6BB3BU · pith_short_16: 5LV4UK6BB3BUOUKH · pith_short_8: 5LV4UK6B

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/5LV4UK6BB3BUOUKHWCTI4JFW6P \
  | 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: eaebca2bc10ec3475147b0a68e24b6f3f53df98b6a8ea90999ba15277d614acf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8704344ee4cfac02042f33aa7014eb3055934bb7b8f88b6762068efc81fc6a82",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-03T05:22:28Z",
    "title_canon_sha256": "cb80c05beda6d3ce3690ee42b482a1ae0b27ff48270fbe6f08cee832ff5f3b91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00829",
    "kind": "arxiv",
    "version": 1
  }
}