Pith Number

pith:FOVGV5PN

pith:2018:FOVGV5PN35QYA35XHE7HWZ5SC2

not attested not anchored not stored refs pending

`Rings' of diffuse radio emission surrounding the Bullet cluster

Abhirup Datta, Prateek Gupta, Reju Sam John, Sergio Colafrancesco, Siddharth Malu, Surajit Paul

arxiv:1804.02588 v1 · 2018-04-07 · astro-ph.HE · astro-ph.CO · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOVGV5PN35QYA35XHE7HWZ5SC2}

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	2026-05-18T00:18:59.022649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2baa6af5eddf61806fb7393e7b67b21691736bc546cd0f37f49a34e53f89f9c5

Aliases

arxiv: 1804.02588 · arxiv_version: 1804.02588v1 · doi: 10.48550/arxiv.1804.02588 · pith_short_12: FOVGV5PN35QY · pith_short_16: FOVGV5PN35QYA35X · pith_short_8: FOVGV5PN

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/FOVGV5PN35QYA35XHE7HWZ5SC2 \
  | 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: 2baa6af5eddf61806fb7393e7b67b21691736bc546cd0f37f49a34e53f89f9c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bff34cd03162180ee98c42733abaeade137a569d8f45cb610c2ef5ebacd3d255",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-07T20:12:23Z",
    "title_canon_sha256": "a644a5cbe783615ba10eefb197a00a5fb8d5c0d3848379bb19fcf73d7c6443b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02588",
    "kind": "arxiv",
    "version": 1
  }
}