Pith Number

pith:WBBTSC4W

pith:2013:WBBTSC4WJ266FVRDRWW7424CS2

not attested not anchored not stored refs pending

Active Galactic Nuclei - the Physics of Individual Sources and the Cosmic History of Formation and Evolution

Ezequiel Treister (Universidad de Concepcion), Henric Krawczynski (Washington University in St. Louis, McDonnell Center for the Space Sciences), Physics Department

arxiv:1301.4179 v1 · 2013-01-17 · astro-ph.CO · 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{WBBTSC4WJ266FVRDRWW7424CS2}

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.

Cited by

1 paper in Pith

PKS 2155-304: Long-Term Optical Photometric Monitoring and Variability Analysis

Receipt and verification

First computed	2026-05-18T03:36:07.006840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b043390b964ebde2d6238dadfe6b82968e1682463724554477c9abc84055e80f

Aliases

arxiv: 1301.4179 · arxiv_version: 1301.4179v1 · doi: 10.48550/arxiv.1301.4179 · pith_short_12: WBBTSC4WJ266 · pith_short_16: WBBTSC4WJ266FVRD · pith_short_8: WBBTSC4W

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/WBBTSC4WJ266FVRDRWW7424CS2 \
  | 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: b043390b964ebde2d6238dadfe6b82968e1682463724554477c9abc84055e80f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "352403864cd68963e220b3a965d542abaccaf117062f316185fa0fe460d6b145",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-17T18:18:40Z",
    "title_canon_sha256": "d1207b8292ee1481d4bae8d49cb133db95fad386a8d3ef7692eec8ba616f58aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4179",
    "kind": "arxiv",
    "version": 1
  }
}