Pith Number

pith:EKC2HVVW

pith:2012:EKC2HVVWEFZNBQB56VBVCL25RQ

not attested not anchored not stored refs pending

Fixed energy potentials through an auxiliary inverse eigenvalue problem

Barnabas Apagyi, Tamas Palmai

arxiv:1202.1931 v1 · 2012-02-09 · math-ph · math.MP · nucl-th · physics.atom-ph · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKC2HVVWEFZNBQB56VBVCL25RQ}

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	2026-05-18T03:45:12.442671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2285a3d6b62172d0c03df543512f5d8c043bd87fa864a60841e162e0ae3db740

Aliases

arxiv: 1202.1931 · arxiv_version: 1202.1931v1 · doi: 10.48550/arxiv.1202.1931 · pith_short_12: EKC2HVVWEFZN · pith_short_16: EKC2HVVWEFZNBQB5 · pith_short_8: EKC2HVVW

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/EKC2HVVWEFZNBQB56VBVCL25RQ \
  | 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: 2285a3d6b62172d0c03df543512f5d8c043bd87fa864a60841e162e0ae3db740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4238c9c6041ee24be2c89efd872c2c765752ac19067b0a897106cf4727f5fcf",
    "cross_cats_sorted": [
      "math.MP",
      "nucl-th",
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-02-09T10:03:52Z",
    "title_canon_sha256": "e4562b36fca68ab8dd45a9043c8faa85febd87b7b25eb2e0112d01cb8472651f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1931",
    "kind": "arxiv",
    "version": 1
  }
}