Pith Number

pith:SRM5DRRF

pith:1999:SRM5DRRFVLRDZEWUYCAKN3HOWV

not attested not anchored not stored refs pending

Particle reacceleration in the Coma cluster and the radio, EUV and hard X-ray emissions

G. Brunetti, G. Giovannini, G. Setti, L. Feretti

arxiv:astro-ph/9907125 v2 · 1999-07-09 · 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{SRM5DRRFVLRDZEWUYCAKN3HOWV}

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	2026-07-04T14:16:58.708049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9459d1c625aae23c92d4c080a6eceeb563f1f15e27d392f6859882582152f220

Aliases

arxiv: astro-ph/9907125 · arxiv_version: astro-ph/9907125v2 · doi: 10.48550/arxiv.astro-ph/9907125 · pith_short_12: SRM5DRRFVLRD · pith_short_16: SRM5DRRFVLRDZEWU · pith_short_8: SRM5DRRF

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/SRM5DRRFVLRDZEWUYCAKN3HOWV \
  | 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: 9459d1c625aae23c92d4c080a6eceeb563f1f15e27d392f6859882582152f220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d18086d98c1664cf7ca3d1aa7167dcd56964f1598d0169b60acdc83eba19e570",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-09T17:31:25Z",
    "title_canon_sha256": "f660badd11b0d560b1a7e8b7cc2c858cd2548e9b5f3b981855e6179963b3f4a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907125",
    "kind": "arxiv",
    "version": 2
  }
}