Pith Number

pith:KE4KH3U6

pith:2004:KE4KH3U6MJXQJDPXZZBAUKUF6R

not attested not anchored not stored refs pending

Search for Electron Neutrino Appearance in a 250 km Long-baseline Experiment

et al, K2K Collaboration: M. H. Ahn

arxiv:hep-ex/0402017 v2 · 2004-02-10 · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KE4KH3U6MJXQJDPXZZBAUKUF6R}

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	2026-07-04T15:26:35.042820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5138a3ee9e626f048df7ce420a2a85f45be77425d88b815905821852a40524e0

Aliases

arxiv: hep-ex/0402017 · arxiv_version: hep-ex/0402017v2 · doi: 10.48550/arxiv.hep-ex/0402017 · pith_short_12: KE4KH3U6MJXQ · pith_short_16: KE4KH3U6MJXQJDPX · pith_short_8: KE4KH3U6

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/KE4KH3U6MJXQJDPXZZBAUKUF6R \
  | 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: 5138a3ee9e626f048df7ce420a2a85f45be77425d88b815905821852a40524e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "593e6d725349345aed020c1145dcd5146344c37721cb79a433714468ca0aa694",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2004-02-10T10:51:36Z",
    "title_canon_sha256": "49e0b0ce0e44c3acb99514691e2fd46e9809e229a07aa5bdc13bd8f64c8450eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0402017",
    "kind": "arxiv",
    "version": 2
  }
}