Pith Number

pith:QHQHRWNV

pith:2013:QHQHRWNV4AZ6CKOJCL4L5KFN27

not attested not anchored not stored refs pending

The Nature of gamma-ray Loud Narrow Line Seyfert I Galaxies PKS 1502+036 and PKS 2004-447

(2) Astrophysical Science Division, Amit Shukla (1), Bangalore, Bhabha Atomic Research Center, C. S. Stalin (1), Mumbai), S. Sahayanathan (2) ((1) Indian Institute of Astrophysics, Vaidehi S. Paliya (1)

arxiv:1303.3443 v1 · 2013-03-14 · 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{QHQHRWNV4AZ6CKOJCL4L5KFN27}

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	2026-05-18T01:51:07.397681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e078d9b5e033e129c912f8bea8add7daf485aaed482e33fbdcd79c811af4c5

Aliases

arxiv: 1303.3443 · arxiv_version: 1303.3443v1 · doi: 10.48550/arxiv.1303.3443 · pith_short_12: QHQHRWNV4AZ6 · pith_short_16: QHQHRWNV4AZ6CKOJ · pith_short_8: QHQHRWNV

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/QHQHRWNV4AZ6CKOJCL4L5KFN27 \
  | 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: 81e078d9b5e033e129c912f8bea8add7daf485aaed482e33fbdcd79c811af4c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42a7b935b8a085026f8f935ccba513e7fa9001f74ff3dc906bda88b189af8e64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-14T13:39:30Z",
    "title_canon_sha256": "db4ee9dc135de69902c9dc2132bc4bdea0e12866b6b7465b42bfde8ac3d0104e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3443",
    "kind": "arxiv",
    "version": 1
  }
}