Pith Number

pith:LBQDZ3F2

pith:2019:LBQDZ3F2H7W4XMNB22I2M3BJLY

not attested not anchored not stored refs pending

A NuSTAR view of powerful gamma-ray loud blazars

((1) INAF- Oss. Brera, (2) SSDC, 3) G. Costamante (2), (3) INAF Oss. Roma, (4) Univ Milano-Bicocca, (5) SISSA, (6) Kavli Inst. SLAC), ASI, F. Tavecchio (1), G. Ghirlanda (1), G. Ghisellini (1), G. Madejski (6), G. Tagliaferri (1), M. L. Perri (2, S. Campitiello (5), T. Sbarrato (4)

arxiv:1906.02955 v1 · 2019-06-07 · 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{LBQDZ3F2H7W4XMNB22I2M3BJLY}

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	2026-05-17T23:41:07.904596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58603cecba3fedcbb1a1d691a66c295e10697420da3dc0809fe0ab0d249e7913

Aliases

arxiv: 1906.02955 · arxiv_version: 1906.02955v1 · doi: 10.48550/arxiv.1906.02955 · pith_short_12: LBQDZ3F2H7W4 · pith_short_16: LBQDZ3F2H7W4XMNB · pith_short_8: LBQDZ3F2

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/LBQDZ3F2H7W4XMNB22I2M3BJLY \
  | 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: 58603cecba3fedcbb1a1d691a66c295e10697420da3dc0809fe0ab0d249e7913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd2a84e6db3a799e99f9b601e6267ba22ce39148ab99965f38ed38da503895e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-06-07T08:37:23Z",
    "title_canon_sha256": "f4a2dddfdc08df56afe401cb409b9d1b8821dbc3e19cdc3bdfceafc90e1d73a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02955",
    "kind": "arxiv",
    "version": 1
  }
}