Pith Number

pith:QRRTERHM

pith:2012:QRRTERHMUV3SXAGE3T5LCHBIXH

not attested not anchored not stored refs pending

F-GAMMA: On the phenomenological classification of continuum radio spectra variability patterns of Fermi blazars

A. Sievers, C. M. Fromm, D. Riquelme, E. Angelakis, H. Ungerechts, I. Nestoras, J. A. Zensus, L. Fuhrmann, M. Perucho, N. Marchili, R. Schmidt, T. P. Krichbaum, V. Pavlidou

arxiv:1202.4242 v1 · 2012-02-20 · 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{QRRTERHMUV3SXAGE3T5LCHBIXH}

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	2026-05-18T01:58:23.696347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84633244eca5772b80c4dcfab11c28b9e00dd256929e85d570b4a1d5da8eecc4

Aliases

arxiv: 1202.4242 · arxiv_version: 1202.4242v1 · doi: 10.48550/arxiv.1202.4242 · pith_short_12: QRRTERHMUV3S · pith_short_16: QRRTERHMUV3SXAGE · pith_short_8: QRRTERHM

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/QRRTERHMUV3SXAGE3T5LCHBIXH \
  | 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: 84633244eca5772b80c4dcfab11c28b9e00dd256929e85d570b4a1d5da8eecc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0dca86add3e8c2b214ee5e71d8d5cb8014dd555bd110bcc8b7ff716847be727",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-02-20T07:57:04Z",
    "title_canon_sha256": "98b22724cb5212c264f66cd8aadd1d0cf2ab88cabd7efbe24de242b76c96b529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4242",
    "kind": "arxiv",
    "version": 1
  }
}