Pith Number

pith:E5UQ4CAB

pith:2011:E5UQ4CABGR7CETPJV6XNO3P5AY

not attested not anchored not stored refs pending

Flux and Photon Spectral Index Distributions of Fermi-LAT Blazars And Contribution To The Extragalactic Gamma-ray Background

J. Singal, M. Ajello, V. Petrosian

arxiv:1106.3111 v4 · 2011-06-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E5UQ4CABGR7CETPJV6XNO3P5AY}

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	2026-05-18T02:01:36.579807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27690e0801347e224de9afaed76dfd061c02a6a423efa817ad01731f2e9f90ec

Aliases

arxiv: 1106.3111 · arxiv_version: 1106.3111v4 · doi: 10.48550/arxiv.1106.3111 · pith_short_12: E5UQ4CABGR7C · pith_short_16: E5UQ4CABGR7CETPJ · pith_short_8: E5UQ4CAB

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/E5UQ4CABGR7CETPJV6XNO3P5AY \
  | 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: 27690e0801347e224de9afaed76dfd061c02a6a423efa817ad01731f2e9f90ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff14c5f0029eb880a691d50c732acb1818d06091b9b5ade84a57aec6b933f04a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-15T22:20:02Z",
    "title_canon_sha256": "02b398972cd0df4b5dfdac9f27ff7f9305e5e32a65d3443b02739992a9756e77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3111",
    "kind": "arxiv",
    "version": 4
  }
}