Pith Number

pith:VDP6O2YF

pith:2012:VDP6O2YFPU6IMV6TMQG5REF4KO

not attested not anchored not stored refs pending

An ab initio theory of double odd-even mass differences in nuclei

E. E. Saperstein, M. Baldo, N. V. Gnezdilov, S. S. Pankratov, U. Lombardo

arxiv:1206.2182 v2 · 2012-06-11 · 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{VDP6O2YFPU6IMV6TMQG5REF4KO}

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	2026-05-18T01:56:59.995064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8dfe76b057d3c8657d3640dd890bc53881dec071420669bbb23ce160fc56895

Aliases

arxiv: 1206.2182 · arxiv_version: 1206.2182v2 · doi: 10.48550/arxiv.1206.2182 · pith_short_12: VDP6O2YFPU6I · pith_short_16: VDP6O2YFPU6IMV6T · pith_short_8: VDP6O2YF

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/VDP6O2YFPU6IMV6TMQG5REF4KO \
  | 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: a8dfe76b057d3c8657d3640dd890bc53881dec071420669bbb23ce160fc56895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5afda8e36c21cf8398924e55ddb12c2d9cd5b2cc4a6c2f1f858ab89430c0b360",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2012-06-11T12:49:04Z",
    "title_canon_sha256": "a2a85b05f6e1079eddec632968c99bcd8431d9104dde6c8a05dfab9b21fb8675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2182",
    "kind": "arxiv",
    "version": 2
  }
}