Pith Number

pith:YZUNJU7B

pith:2017:YZUNJU7BFMWCBF6O5B3BW7W4MN

not attested not anchored not stored refs pending

Discovery of a big void in Khufu's Pyramid by observation of cosmic-ray muons

Akira Nishio, Benoit Marini, Bernard Charl\`es, Christopher Filosa, David Atti\'e, Denis Calvet, Emmanuel Guerriero, Fumihiko Takasaki, Hany Helal, Hideyo Kodama, Hirofumi Fujii, Irakli Mandjavidze, Jean-Baptiste Mouret, Kohei Hayashi, Kotaro Satoh, Kunihiro Morishima, Makiko Sugiura, Marc Riallot, Masaki Moto, Mehdi Tayoubi, Mitsuaki Kuno, Mustapha Ezzy, Nicolas Serikoff, Nobuko Kitagawa, Patrick Magnier, Pierre Gable, S\'ebastien Procureur, Shigeru Odaka, Simon Bouteille, Tamer Elnady, Vincent Steiger, Yasser Elshayeb, Yoshikatsu Date, Yuta Manabe

arxiv:1711.01576 v2 · 2017-11-05 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZUNJU7BFMWCBF6O5B3BW7W4MN}

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	2026-05-18T00:29:59.137382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c668d4d3e12b2c2097cee8761b7edc635fe572efcc4409ba607b542b9f4f3bdb

Aliases

arxiv: 1711.01576 · arxiv_version: 1711.01576v2 · doi: 10.48550/arxiv.1711.01576 · pith_short_12: YZUNJU7BFMWC · pith_short_16: YZUNJU7BFMWCBF6O · pith_short_8: YZUNJU7B

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/YZUNJU7BFMWCBF6O5B3BW7W4MN \
  | 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: c668d4d3e12b2c2097cee8761b7edc635fe572efcc4409ba607b542b9f4f3bdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fce5a66169bb7a131be46185a4a6dfa901c829537e9c10edb824225abd14a258",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2017-11-05T12:30:29Z",
    "title_canon_sha256": "9525efe3b726a02c939b3f75327a6702bf9b07d2d22a9cc27e4b4c821c368300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01576",
    "kind": "arxiv",
    "version": 2
  }
}