Pith Number

pith:LYC3S3AH

pith:2004:LYC3S3AHK5QQQTCNG64OPKCWK5

not attested not anchored not stored refs pending

Radio-optical flux behavior and spectral energy distribution of the intermediate blazar GC 0109+224

((1) Physics Dept., 2), (2)INFN Perugia Section, (3) Mets\"ahovi Radio Observatory, (4) Department of Astronomy, Ann Arbor, Astronomical Obs. University of Perugia, Finland, Gino Tosti (1, Harri Ter\"asranta (3), Helsinki University of Technology, Hugh D. Aller (4), Italy, Kylm\"al\"a, MI, Perugia, Stefano Ciprini (1, University of Michigan, USA)

arxiv:astro-ph/0401271 v2 · 2004-01-14 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYC3S3AHK5QQQTCNG64OPKCWK5}

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	2026-05-18T01:09:03.372821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e05b96c075761084c4d37b8e7a85657665d621832d1f5a164f89c28caedc173

Aliases

arxiv: astro-ph/0401271 · arxiv_version: astro-ph/0401271v2 · doi: 10.48550/arxiv.astro-ph/0401271 · pith_short_12: LYC3S3AHK5QQ · pith_short_16: LYC3S3AHK5QQQTCN · pith_short_8: LYC3S3AH

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/LYC3S3AHK5QQQTCNG64OPKCWK5 \
  | 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: 5e05b96c075761084c4d37b8e7a85657665d621832d1f5a164f89c28caedc173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce1a302f61615f966daff71c99827d98b4d6b7793d1b13076e625b41a72e4df0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-14T16:31:01Z",
    "title_canon_sha256": "632d0ee3d21aa7567855dcb0382168248bc452f6e3d1845a1a3a2e34cf738faa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401271",
    "kind": "arxiv",
    "version": 2
  }
}