Pith Number

pith:P5KZRFT3

pith:2013:P5KZRFT3VBXECYCJWLZGOIMAGX

not attested not anchored not stored refs pending

Initial deep LOFAR observations of Epoch of Reionization windows: I. The North Celestial Pole

A. Alexov, A. Bonafede, A. G. de Bruyn, A. G. Polatidis, A. Karastergiou, A. R. Offringa, A. W. Gunst, B. Ciardi, B. Stappers, C. Ferrari, C. Tasse, E. Chapman, E. de Geus, E. Juette, E. Orru, F. B. Abdalla, F. Batejat, F. Breitling, F. De Gasperin, G. Bernardi, G. Harker, G. Kuper, G. Mann, G. Mellema, H. Falcke, H. J. A. Rottgering, H. Munk, H. Paas, H. Vedantham, I. M. Avruch, J. Anderson, J. Bregman, J. Conway, J. D. Mol, J. E. Noordam, J. M. Griessmeier, J. P. McKean, J. Schaye, J. Sluman, J. van Leeuwen, J. W. Broderick, J. W. T. Hessels, L. V. E. Koopmans, M. A. Brentjens, M. A. Garrett, M. Bentum, M. Bruggen, M. E. Bell, M. Hoeft, M. Iacobelli, M. J. Norden, M. Kramer, M. Kuniyoshi, M. Mevius, M. Pandey-Pommier, M. R. Bell, M. Steinmetz, M. Tagger, M. Wise, O. Martinez Rubi, O. Smirnov, O. Wucknitz, P. Best, P. Labropoulos, P. Maat, P. Zarka, R. A. Fallows, R. H. van de Brink, R. J. van Weeren, R. Nijboer, R. Pizzo, R. Thomas, R. Vermeulen, S. Daiboo, S. Duscha, S. J. Wijnholds, S. Kazemi, S. ter Veen, S. Yatawatta, S. Zaroubi, T. E. Hassall, V. I. Kondratiev, V. Jelic, V. N. Pandey, V. Veligatla, W. Frieswijk, W. N. Brouw, W. Reich, Y. Tang

arxiv:1301.1630 v2 · 2013-01-08 · astro-ph.IM · 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{P5KZRFT3VBXECYCJWLZGOIMAGX}

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	2026-05-18T03:18:08.156328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f5598967ba86e416049b2f267218035f194cd5a76633b22cb5ebdc874feb7ea

Aliases

arxiv: 1301.1630 · arxiv_version: 1301.1630v2 · doi: 10.48550/arxiv.1301.1630 · pith_short_12: P5KZRFT3VBXE · pith_short_16: P5KZRFT3VBXECYCJ · pith_short_8: P5KZRFT3

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/P5KZRFT3VBXECYCJWLZGOIMAGX \
  | 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: 7f5598967ba86e416049b2f267218035f194cd5a76633b22cb5ebdc874feb7ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1e4898b13e7b52d37ed78130cd491bb4094b3013b1562a783b222a166ab54ae",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-01-08T18:42:36Z",
    "title_canon_sha256": "7c27c7643d8e9b3c1027757ba65c9ec8fa0171fb5c9291d8912ca827158b1e26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1630",
    "kind": "arxiv",
    "version": 2
  }
}