Pith Number

pith:AI5FWW3F

pith:2012:AI5FWW3FPV4SEIKKAPFNLD3IFT

not attested not anchored not stored refs pending

Imaging neutral hydrogen on large-scales during the Epoch of Reionization with LOFAR

A. G. de Bruyn, A. R. Offringa, B. Ciardi, G. Bernardi, G. Harker, G. Mellema, H. Vedantham, J. Schaye, L. V. E. Koopmans, M. A. Brentjens, O. Martinez-Rubi, P. Labropolous, R. M. Thomas, S. Daiboo, S. Kazemi, S. Yatawatta, S. Zaroubi, V. Jelic, V. N. Pandey, V. Veligatla

arxiv:1205.3449 v2 · 2012-05-15 · 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{AI5FWW3FPV4SEIKKAPFNLD3IFT}

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	2026-05-18T01:57:31.880364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

023a5b5b657d7922214a03cad58f682cec0f5ab1efe35ac80c971c991d0d0230

Aliases

arxiv: 1205.3449 · arxiv_version: 1205.3449v2 · doi: 10.48550/arxiv.1205.3449 · pith_short_12: AI5FWW3FPV4S · pith_short_16: AI5FWW3FPV4SEIKK · pith_short_8: AI5FWW3F

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/AI5FWW3FPV4SEIKKAPFNLD3IFT \
  | 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: 023a5b5b657d7922214a03cad58f682cec0f5ab1efe35ac80c971c991d0d0230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b0d445fcf39077f5dd3e34fa96f45e445b02eaa7df13dbb10ab5a91ef8f7f7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-15T17:16:59Z",
    "title_canon_sha256": "47765e71908be1c1ed005177287c76c9e03a2f6f111a186add986b0cece49b20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3449",
    "kind": "arxiv",
    "version": 2
  }
}