Pith Number

pith:IYZ42XHF

pith:2018:IYZ42XHFUPHPUMWESQ3XECEIAQ

not attested not anchored not stored refs pending

$Fermi$-LAT detection of a transient $\gamma$-ray source in the direction of a distant blazar B3 1428+422 at $z =4.72$

Neng-Hui Liao, Shang Li, Yi-Zhong Fan

arxiv:1805.07765 v2 · 2018-05-20 · 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{IYZ42XHFUPHPUMWESQ3XECEIAQ}

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	2026-05-18T00:03:48.809041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4633cd5ce5a3cefa32c49437720888043a98e2a5f09c3e5f324360d344ccff49

Aliases

arxiv: 1805.07765 · arxiv_version: 1805.07765v2 · doi: 10.48550/arxiv.1805.07765 · pith_short_12: IYZ42XHFUPHP · pith_short_16: IYZ42XHFUPHPUMWE · pith_short_8: IYZ42XHF

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/IYZ42XHFUPHPUMWESQ3XECEIAQ \
  | 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: 4633cd5ce5a3cefa32c49437720888043a98e2a5f09c3e5f324360d344ccff49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f45abcfa8e9ab9d1e77ce1c572a2fd16f291d4d098cb312eea4eddb11e88974",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-20T12:59:58Z",
    "title_canon_sha256": "c98bb709c569f33eb0d8a0ab9a34349f0a2578c8e830f4e208425ebb8bbe7243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07765",
    "kind": "arxiv",
    "version": 2
  }
}