Pith Number

pith:NZ5GDYFP

pith:2016:NZ5GDYFPKN6SEWI2V6IP6ECE3W

not attested not anchored not stored refs pending

Chandra ACIS Survey of X-ray Point Sources in Nearby Galaxies. II. X-ray Luminosity Functions and Ultraluminous X-ray Sources

Jifeng Liu, Joel N. Bregman, Song Wang, Yanli Qiu

arxiv:1609.05415 v1 · 2016-09-18 · astro-ph.GA · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZ5GDYFPKN6SEWI2V6IP6ECE3W}

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	2026-05-18T01:03:48.258442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e7a61e0af537d22591aaf90ff1044dd8e85aa54529cc3bc292ca0b43b5a72a3

Aliases

arxiv: 1609.05415 · arxiv_version: 1609.05415v1 · doi: 10.48550/arxiv.1609.05415 · pith_short_12: NZ5GDYFPKN6S · pith_short_16: NZ5GDYFPKN6SEWI2 · pith_short_8: NZ5GDYFP

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/NZ5GDYFPKN6SEWI2V6IP6ECE3W \
  | 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: 6e7a61e0af537d22591aaf90ff1044dd8e85aa54529cc3bc292ca0b43b5a72a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afebaabb1d5953cb1fa913d5408a8e1730ac075387934589b9d06fe2181cb8b2",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-18T02:34:04Z",
    "title_canon_sha256": "1703d42ae5e9e87717ea448b385e6423d0652dd224a014f7b2900838120875a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05415",
    "kind": "arxiv",
    "version": 1
  }
}