Pith Number

pith:YXJYEBNB

pith:2019:YXJYEBNBWHRO7TYIJCWI27FLTU

not attested not anchored not stored refs pending

Mass composition of cosmic rays above 0.1 EeV by the Yakutsk array data

Igor Petrov, Stanislav Knurenko

arxiv:1908.01508 v1 · 2019-08-05 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YXJYEBNBWHRO7TYIJCWI27FLTU}

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	2026-07-05T00:24:40.105492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5d38205a1b1e2efcf0848ac8d7cab9d0e83a4d2e1f11a5cf750287e2916709c

Aliases

arxiv: 1908.01508 · arxiv_version: 1908.01508v1 · doi: 10.48550/arxiv.1908.01508 · pith_short_12: YXJYEBNBWHRO · pith_short_16: YXJYEBNBWHRO7TYI · pith_short_8: YXJYEBNB

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/YXJYEBNBWHRO7TYIJCWI27FLTU \
  | 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: c5d38205a1b1e2efcf0848ac8d7cab9d0e83a4d2e1f11a5cf750287e2916709c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b3dcab5d79004fe56e1e30a4ab1d11243595f79373d21e03ceb3999a0408e6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-05T08:15:59Z",
    "title_canon_sha256": "f0385da61524d1efc3d2299b67f669346945d1d6a0cb35e0d3d8e77efaecb524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01508",
    "kind": "arxiv",
    "version": 1
  }
}