Pith Number

pith:EGN2P7QY

pith:2012:EGN2P7QYTBHYVCVSORVO2KWTAE

not attested not anchored not stored refs pending

Parsec-Scale Jet Behavior of the Quasar 3C 454.3 during the High Gamma-Ray States in 2009 and 2010

A. P. Marscher, I. Agudo, K. E. Williamson, M. Gurwell, M. Joshi, N. R. MacDonald, P. S. Smith, S. G. Jorstad, T. L. Scott, V. M. Larionov

arxiv:1205.0520 v1 · 2012-05-02 · 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{EGN2P7QYTBHYVCVSORVO2KWTAE}

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	2026-05-18T03:56:34.360826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

219ba7fe18984f8a8ab2746aed2ad3010da71e6dede2b7a452098c4634b63f38

Aliases

arxiv: 1205.0520 · arxiv_version: 1205.0520v1 · doi: 10.48550/arxiv.1205.0520 · pith_short_12: EGN2P7QYTBHY · pith_short_16: EGN2P7QYTBHYVCVS · pith_short_8: EGN2P7QY

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/EGN2P7QYTBHYVCVSORVO2KWTAE \
  | 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: 219ba7fe18984f8a8ab2746aed2ad3010da71e6dede2b7a452098c4634b63f38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f707bb86d7cfe1788c315af2c56e796d2b53e012f6d77b47f7ad9b3e35a04fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-05-02T18:46:04Z",
    "title_canon_sha256": "b84b09d86abbb7b2802d7915feb796e2ed4a7007e3786edf1909e18b999f74e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0520",
    "kind": "arxiv",
    "version": 1
  }
}