Pith Number

pith:XXJ4FN6Z

pith:2021:XXJ4FN6ZCPD4ZSZ35AE3CZP2GY

not attested not anchored not stored refs pending

Possible bound nuclei beyond the two-neutron drip line in the $50\leqslant Z \leqslant 70$ region

C. Heo, C. K. Tam, C. Pan, J. Lee, K. Y. Zhang, M. C. Ho, P. S. Chong, R. W.-Y. Yeung, S. H. Wong, S. Q. Zhang, T. C. Yiu, W. Sun, Z. P. Li

arxiv:2104.07337 v2 · 2021-04-15 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXJ4FN6ZCPD4ZSZ35AE3CZP2GY}

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	2026-07-05T03:10:39.371498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdd3c2b7d913c7cccb3be809b165fa360a88af02e5097a7d6f49452a9ee62ef4

Aliases

arxiv: 2104.07337 · arxiv_version: 2104.07337v2 · doi: 10.48550/arxiv.2104.07337 · pith_short_12: XXJ4FN6ZCPD4 · pith_short_16: XXJ4FN6ZCPD4ZSZ3 · pith_short_8: XXJ4FN6Z

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/XXJ4FN6ZCPD4ZSZ35AE3CZP2GY \
  | 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: bdd3c2b7d913c7cccb3be809b165fa360a88af02e5097a7d6f49452a9ee62ef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6e8c903def3953de59fba8de5ce036798f4d6431911be5aa9d0eddbc362781d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2021-04-15T09:54:15Z",
    "title_canon_sha256": "3e5d24ae707a0f2bf71f579a2fc2e43c48c2e3b44031a166d21b3a15e3b3eba1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07337",
    "kind": "arxiv",
    "version": 2
  }
}