Pith Number

pith:MGCP7NQG

pith:2017:MGCP7NQGUZXZJ7JYBE6GNSKQDF

not attested not anchored not stored refs pending

On the inverse problem for extragalactic cosmic ray nuclei with energies $10^{18}$ to $10^{20}$ eV

E.G.Klepach, S.I.Rogovaya, V.N.Zirakashvili, V.S.Ptuskin

arxiv:1701.00820 v1 · 2017-01-02 · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MGCP7NQGUZXZJ7JYBE6GNSKQDF}

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	2026-05-18T00:53:22.171155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6184ffb606a66f94fd38093c66c950197fdbc5b8f7e9eb02a10188d5349b002b

Aliases

arxiv: 1701.00820 · arxiv_version: 1701.00820v1 · doi: 10.48550/arxiv.1701.00820 · pith_short_12: MGCP7NQGUZXZ · pith_short_16: MGCP7NQGUZXZJ7JY · pith_short_8: MGCP7NQG

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/MGCP7NQGUZXZJ7JYBE6GNSKQDF \
  | 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: 6184ffb606a66f94fd38093c66c950197fdbc5b8f7e9eb02a10188d5349b002b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a02cb156d56e39e8b804a2d8b43b235e6b1b1d303922824a85e2d13c3e2c913",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-01-02T22:19:02Z",
    "title_canon_sha256": "2eb0505bdfb00b403d5c7ba735ecc66af8367f1a47918f8a9dbf81a6160cbf05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00820",
    "kind": "arxiv",
    "version": 1
  }
}