pith. sign in
Pith Number

pith:X2AOF3TF

pith:2010:X2AOF3TF3GHTP6GPXTV3TENFIX
not attested not anchored not stored refs pending

The very steep spectrum radio halo in Abell 697

Daniele Dallacasa, Gianfranco Brunetti, Giulia Macario, Ramana Athreya, Rossella Cassano, Sandro Bardelli, Simona Giacintucci, Tiziana Venturi

arxiv:1004.1515 v1 · 2010-04-09 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{X2AOF3TF3GHTP6GPXTV3TENFIX}

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 2026-05-18T02:08:07.489441Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

be80e2ee65d98f37f8cfbcebb991a545d841289d8288f77d0cd21e479159b4c3

Aliases

arxiv: 1004.1515 · arxiv_version: 1004.1515v1 · doi: 10.48550/arxiv.1004.1515 · pith_short_12: X2AOF3TF3GHT · pith_short_16: X2AOF3TF3GHTP6GP · pith_short_8: X2AOF3TF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/X2AOF3TF3GHTP6GPXTV3TENFIX \
  | 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: be80e2ee65d98f37f8cfbcebb991a545d841289d8288f77d0cd21e479159b4c3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6f37abaf6ea2536239c1d469af94b1f7b6594f19ab598d83ba8f3b59730bd50a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-09T10:15:33Z",
    "title_canon_sha256": "e9c837e3d5479b2b686c0ae9273369a004c3b8099acc466715f33294d78d8432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1515",
    "kind": "arxiv",
    "version": 1
  }
}