Pith Number

pith:UGOAW7IB

pith:2011:UGOAW7IBZEU6JCFD6LOQFVVCMZ

not attested not anchored not stored refs pending

Proton-proton cross-sections: the interplay between density and radius

J. Dias de Deus, M. Pimenta, R. Concei\c{c}\~ao

arxiv:1107.0912 v2 · 2011-07-05 · 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{UGOAW7IBZEU6JCFD6LOQFVVCMZ}

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	2026-05-18T02:01:24.602285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a19c0b7d01c929e488a3f2dd02d6a266777680cee6fc184a606d17ca16ba53c0

Aliases

arxiv: 1107.0912 · arxiv_version: 1107.0912v2 · doi: 10.48550/arxiv.1107.0912 · pith_short_12: UGOAW7IBZEU6 · pith_short_16: UGOAW7IBZEU6JCFD · pith_short_8: UGOAW7IB

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/UGOAW7IBZEU6JCFD6LOQFVVCMZ \
  | 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: a19c0b7d01c929e488a3f2dd02d6a266777680cee6fc184a606d17ca16ba53c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0deec77e7efdbaaa34a9f0066d99d059e649237b35488c97da0190e286a039c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2011-07-05T16:02:37Z",
    "title_canon_sha256": "0d3da54ec636739695f3755a327178eb646c91bcec10c0b2983f2e151451e915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0912",
    "kind": "arxiv",
    "version": 2
  }
}