Pith Number

pith:PY6ZQMDF

pith:2010:PY6ZQMDFB7F77DNDED2QWVU5ZO

not attested not anchored not stored refs pending

Suzaku Observations of Luminous Quasars: Revealing the Nature of High-Energy Blazar Emission in Quiescent States

et al., F. Tavecchio, L. Maraschi, M. M. Chester, M. Sikora, P. Roming, P. Schady, The Fermi/LAT Collaboration: A. A. Abdo

arxiv:1004.2857 v1 · 2010-04-16 · 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{PY6ZQMDFB7F77DNDED2QWVU5ZO}

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	2026-05-18T02:08:04.591347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e3d9830650fcbff8da320f50b569dcbbf70b3770f55f63a6d73176afa532494

Aliases

arxiv: 1004.2857 · arxiv_version: 1004.2857v1 · doi: 10.48550/arxiv.1004.2857 · pith_short_12: PY6ZQMDFB7F7 · pith_short_16: PY6ZQMDFB7F77DND · pith_short_8: PY6ZQMDF

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/PY6ZQMDFB7F77DNDED2QWVU5ZO \
  | 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: 7e3d9830650fcbff8da320f50b569dcbbf70b3770f55f63a6d73176afa532494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adf59e26252675584ba1428f3f8ac25d9ea6c9800dae09a833d9b1e5322f7229",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-04-16T15:01:27Z",
    "title_canon_sha256": "5383d1e4da5bb06e18522f0a5b97e8a99904ac8cebc5a937e8e8296e44614bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2857",
    "kind": "arxiv",
    "version": 1
  }
}