Pith Number

pith:DF5FUJU5

pith:2011:DF5FUJU5CEP5EZFARO4B2RKDXF

not attested not anchored not stored refs pending

Fermi/LAT Observations of Swift/BAT Seyferts: on the Contribution of Radio-quiet AGN to the Extragalactic Gamma-ray Background

Christopher S. Reynolds (UMD), David S. Davis (UMBC/CRESST), Richard F. Mushotzky (UMD), Rita M. Sambruna (George Mason), Stacy H. Teng (UMD/CRESST)

arxiv:1109.2734 v1 · 2011-09-13 · 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{DF5FUJU5CEP5EZFARO4B2RKDXF}

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	2026-05-18T02:00:33.798839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

197a5a269d111fd264a08bb81d4543b95e1a62549fdb3934446e6e2d57e01ed2

Aliases

arxiv: 1109.2734 · arxiv_version: 1109.2734v1 · doi: 10.48550/arxiv.1109.2734 · pith_short_12: DF5FUJU5CEP5 · pith_short_16: DF5FUJU5CEP5EZFA · pith_short_8: DF5FUJU5

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/DF5FUJU5CEP5EZFARO4B2RKDXF \
  | 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: 197a5a269d111fd264a08bb81d4543b95e1a62549fdb3934446e6e2d57e01ed2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e8a29d610865bbf94b9da515eed678137f3318d1031ea2eaceacc7d889ae622",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-09-13T10:16:54Z",
    "title_canon_sha256": "1c443ce78759ce34e561d6a1a08c9a5f83bd8766696c3c46bcc74adae57ac002"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2734",
    "kind": "arxiv",
    "version": 1
  }
}