pith. sign in
Pith Number

pith:OBPENPW4

pith:2021:OBPENPW4WTLSV7MLLT7BVLFUWK
not attested not anchored not stored refs pending

Proton and deuteron mass radii from near-threshold $\phi$-meson photoproduction

Chengdong Han, Jarah Evslin, Rong Wang, Wei Kou, Xurong Chen

arxiv:2108.03550 v2 · 2021-08-08 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OBPENPW4WTLSV7MLLT7BVLFUWK}

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 2026-07-05T03:33:48.360961Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

705e46bedcb4d72afd8b5cfe1aacb4b2831c1e398c882ae8a262f1c7835cb336

Aliases

arxiv: 2108.03550 · arxiv_version: 2108.03550v2 · doi: 10.48550/arxiv.2108.03550 · pith_short_12: OBPENPW4WTLS · pith_short_16: OBPENPW4WTLSV7ML · pith_short_8: OBPENPW4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OBPENPW4WTLSV7MLLT7BVLFUWK \
  | 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: 705e46bedcb4d72afd8b5cfe1aacb4b2831c1e398c882ae8a262f1c7835cb336
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5c0df24eb0b786e8e9902b5fc9ae449fdad41724b19b7238262f35c1f7c9c776",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-08-08T02:12:45Z",
    "title_canon_sha256": "2626e2b6333d782109b9742614fa59958c3054a074e6a24cb13c8b9e7aef6199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.03550",
    "kind": "arxiv",
    "version": 2
  }
}