Pith Number

pith:Q3WPTNCX

pith:2014:Q3WPTNCXTKICF7CYMNA4V2CL5X

not attested not anchored not stored refs pending

Fermi-LAT Detection of Gravitational Lens Delayed Gamma-ray Flares from Blazar B0218+357

A. Chekhtman, A. W. Smith, B. Lott, C. C. Cheung, D. Bastieri, D. Bulmash, D. J. Thompson, D. L. Wood, E. E. Falco, F. D'Ammando, J. Chiang, J. D. Scargle, J. E. Grove, J. S. Perkins, K. S. Wood, M. A. Amin, M. Ajello, M. Giroletti, M. Orienti, M. Razzano, P. J. Marshall, R. D. Blandford, R. H. D. Corbet, R. Ojha, S. Ciprini, S. Larsson

arxiv:1401.0548 v1 · 2014-01-02 · 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{Q3WPTNCXTKICF7CYMNA4V2CL5X}

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	2026-05-18T01:45:34.343369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86ecf9b4579a9022fc586341cae84bedc523072ee14e7ca83a12fd7e70878ae6

Aliases

arxiv: 1401.0548 · arxiv_version: 1401.0548v1 · doi: 10.48550/arxiv.1401.0548 · pith_short_12: Q3WPTNCXTKIC · pith_short_16: Q3WPTNCXTKICF7CY · pith_short_8: Q3WPTNCX

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/Q3WPTNCXTKICF7CYMNA4V2CL5X \
  | 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: 86ecf9b4579a9022fc586341cae84bedc523072ee14e7ca83a12fd7e70878ae6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b582cb6afbab474112ff93d9472c4514230825a1b00a9d60bb6f2bf2a455a1cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-01-02T21:28:30Z",
    "title_canon_sha256": "fc10ab2476efe360f6ecf421617b8a8ba175d4b7f0465b45509e1ffce719bf35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0548",
    "kind": "arxiv",
    "version": 1
  }
}