Pith Number

pith:GRMYA2AJ

pith:2009:GRMYA2AJITGYHENMJSKPU5RFRR

not attested not anchored not stored refs pending

Diffuse radio emission in the merging cluster MACS J0717.5+3745: the discovery of the most powerful radio halo

A. Cohen, H.J.A. Rottgering, M. Bruggen, R.J. van Weeren

arxiv:0905.3650 v2 · 2009-05-22 · 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{GRMYA2AJITGYHENMJSKPU5RFRR}

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	2026-05-18T02:13:38.046663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

345980680944cd8391ac4c94fa76258c498bfe1d6b0e22dcd18520c04b5917fa

Aliases

arxiv: 0905.3650 · arxiv_version: 0905.3650v2 · doi: 10.48550/arxiv.0905.3650 · pith_short_12: GRMYA2AJITGY · pith_short_16: GRMYA2AJITGYHENM · pith_short_8: GRMYA2AJ

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/GRMYA2AJITGYHENMJSKPU5RFRR \
  | 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: 345980680944cd8391ac4c94fa76258c498bfe1d6b0e22dcd18520c04b5917fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6826dfa7db3deac3ca21f3987101d09ca138779dfaf67814e791aefe002eccb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-22T10:30:14Z",
    "title_canon_sha256": "a463a03fb4fc899af962a250ac1daeaf13d0e156f9036df8ef773ad03fe3d96e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3650",
    "kind": "arxiv",
    "version": 2
  }
}