Pith Number

pith:QNCSTYD2

pith:2010:QNCSTYD2VVBKL2T4WQSAJURNVS

not attested not anchored not stored refs pending

Evidence of non-thermal X-ray emission from radio lobes of Cygnus A

H. Nagai, K. Asada, M. Kino, M. Kusunose, M. S. Tashiro, N. Isobe, S. Koyama, Y. Yaji

arxiv:1003.3104 v1 · 2010-03-16 · 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{QNCSTYD2VVBKL2T4WQSAJURNVS}

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	2026-05-18T02:08:33.408647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834529e07aad42a5ea7cb42404d22dac9d12a25cc68c1d3b10acb8154560d567

Aliases

arxiv: 1003.3104 · arxiv_version: 1003.3104v1 · doi: 10.48550/arxiv.1003.3104 · pith_short_12: QNCSTYD2VVBK · pith_short_16: QNCSTYD2VVBKL2T4 · pith_short_8: QNCSTYD2

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/QNCSTYD2VVBKL2T4WQSAJURNVS \
  | 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: 834529e07aad42a5ea7cb42404d22dac9d12a25cc68c1d3b10acb8154560d567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "077427e24ae531c6a3b1bca6a0698ec5a42fd40fbd22143987ffe59becaf5bd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-16T08:54:13Z",
    "title_canon_sha256": "7ba49aebfe66f9a0b78c7c4a2a27480e69472da269e7d9d264ebdb0488683ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3104",
    "kind": "arxiv",
    "version": 1
  }
}