Pith. sign in
Pith Number

pith:YK2Q64NI

pith:2003:YK2Q64NI7E5ZINFWME7W4OV55I
not attested not anchored not stored refs pending

Possible evidence of extended objects inside the proton

G. Ricco, R. Petronzio, S. Simula

arxiv:nucl-th/0310015 v1 · 2003-10-03 · nucl-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YK2Q64NI7E5ZINFWME7W4OV55I}

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 2026-07-04T16:42:00.558592Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c2b50f71a8f93b9434b6613f6e3abdea10879a2e32fe98afa8188634e2e29430

Aliases

arxiv: nucl-th/0310015 · arxiv_version: nucl-th/0310015v1 · doi: 10.48550/arxiv.nucl-th/0310015 · pith_short_12: YK2Q64NI7E5Z · pith_short_16: YK2Q64NI7E5ZINFW · pith_short_8: YK2Q64NI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YK2Q64NI7E5ZINFWME7W4OV55I \
  | 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: c2b50f71a8f93b9434b6613f6e3abdea10879a2e32fe98afa8188634e2e29430
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5d4f066c69daf4d4ddf5c4b30140034d0d2bbbe5d8535eacb777be7b24ac3b62",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "2003-10-03T07:07:01Z",
    "title_canon_sha256": "f851807273c95e0ff2078242d42b272172c6566db16292b75aa28054479eaf5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/0310015",
    "kind": "arxiv",
    "version": 1
  }
}