Pith Number

pith:HDDCKHYI

pith:2004:HDDCKHYIC3XFX64SPPXH4QIOGX

not attested not anchored not stored refs pending

Radio Relics in Clusters of Galaxies

G. Giovannini, L. Feretti

arxiv:astro-ph/0412486 v1 · 2004-12-17 · 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{HDDCKHYIC3XFX64SPPXH4QIOGX}

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	2026-05-18T01:40:34.669650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38c6251f0816ee5bfb927bee7e410e35ee233df0a686b245b6b5ee29f4222589

Aliases

arxiv: astro-ph/0412486 · arxiv_version: astro-ph/0412486v1 · doi: 10.48550/arxiv.astro-ph/0412486 · pith_short_12: HDDCKHYIC3XF · pith_short_16: HDDCKHYIC3XFX64S · pith_short_8: HDDCKHYI

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/HDDCKHYIC3XFX64SPPXH4QIOGX \
  | 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: 38c6251f0816ee5bfb927bee7e410e35ee233df0a686b245b6b5ee29f4222589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5d78a9adf0c1e02593cee0c27ba1bc9a5fd2221d782856cfa84c5505ff262be",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-17T19:27:10Z",
    "title_canon_sha256": "fe19387334efb47b55a3a7b35d1ec1feb20a3acdea1fdb250ad2b8bc8ea00f54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412486",
    "kind": "arxiv",
    "version": 1
  }
}