Pith Number

pith:D7WEGHOO

pith:2012:D7WEGHOOLNFV4IR5HROOLCMQAH

not attested not anchored not stored refs pending

Evolution of the N=50 gap from Z=30 to Z=38 and extrapolation towards 78Ni

M.-G. Porquet, O. Sorlin

arxiv:1201.1097 v1 · 2012-01-05 · nucl-ex · 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{D7WEGHOOLNFV4IR5HROOLCMQAH}

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	2026-05-18T01:58:55.609565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fec431dce5b4b5e223d3c5ce5899001c34d45d34973589ef2446222cc3d4418

Aliases

arxiv: 1201.1097 · arxiv_version: 1201.1097v1 · doi: 10.48550/arxiv.1201.1097 · pith_short_12: D7WEGHOOLNFV · pith_short_16: D7WEGHOOLNFV4IR5 · pith_short_8: D7WEGHOO

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/D7WEGHOOLNFV4IR5HROOLCMQAH \
  | 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: 1fec431dce5b4b5e223d3c5ce5899001c34d45d34973589ef2446222cc3d4418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f6f91077d7c06d5228cb4f3ad76b52a013cef3ba8efbf4ed8950baea2766b39",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2012-01-05T10:02:09Z",
    "title_canon_sha256": "ab0efe39d5c3b766a833f46a2434a6e2f4b1604d509a77dc848c8ed938cdd772"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1097",
    "kind": "arxiv",
    "version": 1
  }
}