Pith Number

pith:QEWFNI7G

pith:2010:QEWFNI7GQ26LQXSTXQJ62SN2G5

not attested not anchored not stored refs pending

Blazar 3C 454.3 in Outburst and Quiescence During 2005-2007: Two Variable Synchrotron Emission Peaks

Ann E. Wehrle, Mark A. Gurwell, Patrick M. Ogle, Thomas Balonek

arxiv:1003.3642 v1 · 2010-03-18 · 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{QEWFNI7GQ26LQXSTXQJ62SN2G5}

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	2026-05-18T02:08:25.897097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812c56a3e686bcb85e53bc13ed49ba37769cbabbdc3f39d8207cd1b5d72fc373

Aliases

arxiv: 1003.3642 · arxiv_version: 1003.3642v1 · doi: 10.48550/arxiv.1003.3642 · pith_short_12: QEWFNI7GQ26L · pith_short_16: QEWFNI7GQ26LQXST · pith_short_8: QEWFNI7G

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/QEWFNI7GQ26LQXSTXQJ62SN2G5 \
  | 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: 812c56a3e686bcb85e53bc13ed49ba37769cbabbdc3f39d8207cd1b5d72fc373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9da20dcbaf82b503781ffd2734352253d65e57b3f9b5235126a6aa0f39b2bdd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-18T17:49:12Z",
    "title_canon_sha256": "aa35cb713b8646b0f9e8f6d454fb19a2d236cc0d85e70b6a0c45d7d7c92786fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3642",
    "kind": "arxiv",
    "version": 1
  }
}