Pith Number

pith:JW2IIHK4

pith:2013:JW2IIHK4RCMXCODTDKRBKAWHKZ

not attested not anchored not stored refs pending

Short-Term Radio Variability and Parsec-Scale Structure in a Gamma-Ray Narrow-Line Seyfert 1 Galaxy 1H 0323+342

Kenta Fujisawa, Kiyoaki Wajima, Masaaki Hayashida, Naoki Isobe, Takafumi Ishida, Yoshinori Yonekura

arxiv:1312.3118 v1 · 2013-12-11 · 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{JW2IIHK4RCMXCODTDKRBKAWHKZ}

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	2026-05-18T01:45:51.766242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4db4841d5c88997138731aa21502c7566a36ee6c355f74f0bcd21528df0a0275

Aliases

arxiv: 1312.3118 · arxiv_version: 1312.3118v1 · doi: 10.48550/arxiv.1312.3118 · pith_short_12: JW2IIHK4RCMX · pith_short_16: JW2IIHK4RCMXCODT · pith_short_8: JW2IIHK4

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/JW2IIHK4RCMXCODTDKRBKAWHKZ \
  | 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: 4db4841d5c88997138731aa21502c7566a36ee6c355f74f0bcd21528df0a0275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ef1034d5f39e488c696a343d956daa9486b7ea9a997c420b70675f3f87859ec",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-11T11:23:29Z",
    "title_canon_sha256": "13322de042a2f547a26af10b69db4b2c60fc8d1663b032f019bb5a8df0145fbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3118",
    "kind": "arxiv",
    "version": 1
  }
}