Pith Number

pith:PVS6D4IE

pith:2016:PVS6D4IEQWO2TI4HUAQSYLDZ5F

not attested not anchored not stored refs pending

LOFAR, VLA, and Chandra observations of the Toothbrush galaxy cluster

A. Bonafede, A. Simionescu, A. Stroe, C. Ferrari, C. Horellou, C. Jones, C. L. Sarazin, D. A. Rafferty, E. Orr\'u, F. Andrade-Santos, F. De Gasperin, G. A. Ogrean, G. Brunetti, G. Heald, G. J. White, G. K. Miley, H. J. A. R\"ottgering, H. T. Intema, J. H. Croston, J. Sabater, K. T. Chy\.zy, L. B\^irzan, L. Rudnick, M. Br\"uggen, M. Hoeft, M. J. Hardcastle, M. J. Jarvis, M. Mevius, P. N. Best, R. Cassano, R. J. van Weeren, R. Pizzo, R. P. Kraft, S. S. Murray, S. S. Sridhar, S. van der Tol, T. Ensslin, T. J. Dijkema, T. W. Shimwell, W. A. Dawson, W. L. Williams, W. R. Forman

arxiv:1601.06029 v1 · 2016-01-20 · astro-ph.HE · astro-ph.CO

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

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	2026-05-18T01:19:05.299545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d65e1f104859da9a387a0212c2c79e9650b1381cf0e960d73e2d97f3d5a0ac4

Aliases

arxiv: 1601.06029 · arxiv_version: 1601.06029v1 · doi: 10.48550/arxiv.1601.06029 · pith_short_12: PVS6D4IEQWO2 · pith_short_16: PVS6D4IEQWO2TI4H · pith_short_8: PVS6D4IE

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/PVS6D4IEQWO2TI4HUAQSYLDZ5F \
  | 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: 7d65e1f104859da9a387a0212c2c79e9650b1381cf0e960d73e2d97f3d5a0ac4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bafe5571a4e7ccf0cc7d1e06466c1b87310d9e8ba65578f8579e9e6f4315ba05",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-01-20T21:00:00Z",
    "title_canon_sha256": "cbd7ecfd8533956a0e5abef99cd1cd9257ea7b8cb7402e4b53084b73d8b1caca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06029",
    "kind": "arxiv",
    "version": 1
  }
}