Pith Number

pith:U2XQ3YHQ

pith:2019:U2XQ3YHQ5C72FG2ZXWCKKCEKOQ

not attested not anchored not stored refs pending

The Jet of FSRQ PKS~1229$-$02 and its Misidentification as a $\gamma$-ray AGN

J. Yang, T. An, W. Zhao, X.-Y. Hong

arxiv:1907.03442 v1 · 2019-07-08 · astro-ph.GA · 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{U2XQ3YHQ5C72FG2ZXWCKKCEKOQ}

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	2026-05-17T23:41:14.545462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6af0de0f0e8bfa29b59bd84a5088a742e14176f6340df531b3fd8d6e953b720

Aliases

arxiv: 1907.03442 · arxiv_version: 1907.03442v1 · doi: 10.48550/arxiv.1907.03442 · pith_short_12: U2XQ3YHQ5C72 · pith_short_16: U2XQ3YHQ5C72FG2Z · pith_short_8: U2XQ3YHQ

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/U2XQ3YHQ5C72FG2ZXWCKKCEKOQ \
  | 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: a6af0de0f0e8bfa29b59bd84a5088a742e14176f6340df531b3fd8d6e953b720

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32dd57a8f8d619acc5a085b685dfb37062c1b4bae4cacb520f3be128c3f37608",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-08T08:03:12Z",
    "title_canon_sha256": "c1aba7df6b7c134f81cc27ff56202512777f877a4f568f660bc777bcb77a7475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03442",
    "kind": "arxiv",
    "version": 1
  }
}