Pith Number

pith:MFZOJJ4O

pith:2011:MFZOJJ4OL7JTCGTV5DAG53CFNN

not attested not anchored not stored refs pending

Intranight variability of 3C 454.3 during its 2010 November outburst

A. C. Gupta, A. Lalova, A. Strigachev, A. Valcheva, B. Mihov, E. Ovcharov, E. Semkov, R. Bachev, S. Peneva

arxiv:1102.3307 v1 · 2011-02-16 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFZOJJ4OL7JTCGTV5DAG53CFNN}

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	2026-05-18T02:03:10.525226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6172e4a78e5fd3311a75e8c06eec456b502813cf6fbc8518bc65802a46861d55

Aliases

arxiv: 1102.3307 · arxiv_version: 1102.3307v1 · doi: 10.48550/arxiv.1102.3307 · pith_short_12: MFZOJJ4OL7JT · pith_short_16: MFZOJJ4OL7JTCGTV · pith_short_8: MFZOJJ4O

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/MFZOJJ4OL7JTCGTV5DAG53CFNN \
  | 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: 6172e4a78e5fd3311a75e8c06eec456b502813cf6fbc8518bc65802a46861d55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3af137753084dcfb866752f2cf364c958d6c5cb957bbb1d98043aa4dc65f984",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-02-16T11:16:56Z",
    "title_canon_sha256": "677c3aa11511aa479623bf1b597fd7ff430a30c3ce61405119aaad732d000494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3307",
    "kind": "arxiv",
    "version": 1
  }
}