Pith Number

pith:Z4UIO7QL

pith:2012:Z4UIO7QLJW6PPRTUS3T4QN4RVN

not attested not anchored not stored refs pending

Chandra X-ray Observations of the Two Brightest Unidentified High Galactic Latitude Fermi-LAT gamma-ray Sources

C. C. Cheung, D. Donato, K. V. Sokolovsky, M. Giroletti, N. Gehrels

arxiv:1207.1129 v1 · 2012-07-04 · 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{Z4UIO7QLJW6PPRTUS3T4QN4RVN}

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	2026-05-18T01:56:34.624135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf28877e0b4dbcf7c67496e7c83791ab401646dfdf42770ce992a435316d7b51

Aliases

arxiv: 1207.1129 · arxiv_version: 1207.1129v1 · doi: 10.48550/arxiv.1207.1129 · pith_short_12: Z4UIO7QLJW6P · pith_short_16: Z4UIO7QLJW6PPRTU · pith_short_8: Z4UIO7QL

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/Z4UIO7QLJW6PPRTUS3T4QN4RVN \
  | 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: cf28877e0b4dbcf7c67496e7c83791ab401646dfdf42770ce992a435316d7b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fb774a7d6d17782365254cd53574acf14d5005ff85978dac872183375790a9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-04T21:42:57Z",
    "title_canon_sha256": "a1b20f7bfd247c36c853a9625b60bc429f87092c537ee2f841dfae01aff0f966"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1129",
    "kind": "arxiv",
    "version": 1
  }
}