Pith Number

pith:HNQZAJ7L

pith:2009:HNQZAJ7LG7SYNSECKDOQPWJ4EW

not attested not anchored not stored refs pending

The blazar S5 0014+813: a real or apparent monster?

(2) Univ. of Michigan, (3) Univ. Insubria, (4) Max Planck Inst. extrat. Physik, Como, D. Burlon (4), F. Haardt (3), F. Tavecchio (1) ((1) INAF-OABrera, Garching, Germany), G. Ghirlanda (1), G. Ghisellini (1), Italy, L. Foschini (1), M. Volonteri (2), USA

arxiv:0906.0575 v2 · 2009-06-02 · astro-ph.CO · 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{HNQZAJ7LG7SYNSECKDOQPWJ4EW}

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	2026-05-18T02:13:29.576727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b619027eb37e586c88250dd07d93c258a374b3cb99a569e72dd1f0063bedb95

Aliases

arxiv: 0906.0575 · arxiv_version: 0906.0575v2 · doi: 10.48550/arxiv.0906.0575 · pith_short_12: HNQZAJ7LG7SY · pith_short_16: HNQZAJ7LG7SYNSEC · pith_short_8: HNQZAJ7L

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/HNQZAJ7LG7SYNSECKDOQPWJ4EW \
  | 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: 3b619027eb37e586c88250dd07d93c258a374b3cb99a569e72dd1f0063bedb95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "638a7a6be7185f06f8687e7a2486577d572e1758a9074ccd82c2da96d102f9c1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-02T20:00:08Z",
    "title_canon_sha256": "ab66ba67814d8af530bfe18f8394c21a7a83b92f778132220b9d3cc997773cf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0575",
    "kind": "arxiv",
    "version": 2
  }
}