Pith Number

pith:PK2MDLCP

pith:2013:PK2MDLCPX6WK7UWXL2WSQ72DUO

not attested not anchored not stored refs pending

Hints of correlation between broad-line and radio variations for 3C 120

H. T. Liu, J. M. Bai, J. M. Wang, S. K Li

arxiv:1311.1369 v1 · 2013-11-06 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PK2MDLCPX6WK7UWXL2WSQ72DUO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:02:56.823860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ab4c1ac4fbfacafd2d75ead287f43a3b167ee522033088c0dd0bd063241678b

Aliases

arxiv: 1311.1369 · arxiv_version: 1311.1369v1 · doi: 10.48550/arxiv.1311.1369 · pith_short_12: PK2MDLCPX6WK · pith_short_16: PK2MDLCPX6WK7UWX · pith_short_8: PK2MDLCP

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/PK2MDLCPX6WK7UWXL2WSQ72DUO \
  | 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: 7ab4c1ac4fbfacafd2d75ead287f43a3b167ee522033088c0dd0bd063241678b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8bf7503fa3ebb3abbb22d2343b38e688d5429b00c5c3998e9272a066fb2ef78",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-06T12:31:55Z",
    "title_canon_sha256": "a9975a5bdf663d4b282cfd1b38564f1097600444ba9286f11830993de1cb0200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1369",
    "kind": "arxiv",
    "version": 1
  }
}