Pith Number

pith:7LWDDGRW

pith:2012:7LWDDGRWZAYJDM2YYX6GOQMLBE

not attested not anchored not stored refs pending

Neutron rich nuclei in a new binding energy formula and the astrophysical $r-$process

Chirashree Lahiri, G. Gangopadhyay

arxiv:1207.2937 v1 · 2012-07-12 · 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{7LWDDGRWZAYJDM2YYX6GOQMLBE}

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	2026-05-18T03:51:13.440305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faec319a36c83091b358c5fc67418b0902343e95cc75a13151c76be9ecae2ce4

Aliases

arxiv: 1207.2937 · arxiv_version: 1207.2937v1 · doi: 10.48550/arxiv.1207.2937 · pith_short_12: 7LWDDGRWZAYJ · pith_short_16: 7LWDDGRWZAYJDM2Y · pith_short_8: 7LWDDGRW

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/7LWDDGRWZAYJDM2YYX6GOQMLBE \
  | 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: faec319a36c83091b358c5fc67418b0902343e95cc75a13151c76be9ecae2ce4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba6cd45a68dd721741386ca6fa8119e1859bf881d891fc9124a6de71e904bb9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2012-07-12T12:29:54Z",
    "title_canon_sha256": "2f30aeb9b164baed7668ad7c948d9e95d7e7f88501475265a0e73054bc5a7270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2937",
    "kind": "arxiv",
    "version": 1
  }
}