Pith Number

pith:UTRZP57A

pith:2012:UTRZP57AD5BTRJHJYVSORMPM4L

not attested not anchored not stored refs pending

Generalized transversality conditions for the Hahn quantum variational calculus

Agnieszka B. Malinowska, Natalia Martins

arxiv:1202.0176 v1 · 2012-02-01 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTRZP57AD5BTRJHJYVSORMPM4L}

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	2026-05-18T04:03:19.959004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4e397f7e01f4338a4e9c564e8b1ece2cd0f4e47b6e2b34dd904b868b383d35c

Aliases

arxiv: 1202.0176 · arxiv_version: 1202.0176v1 · doi: 10.48550/arxiv.1202.0176 · pith_short_12: UTRZP57AD5BT · pith_short_16: UTRZP57AD5BTRJHJ · pith_short_8: UTRZP57A

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/UTRZP57AD5BTRJHJYVSORMPM4L \
  | 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: a4e397f7e01f4338a4e9c564e8b1ece2cd0f4e47b6e2b34dd904b868b383d35c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a20845a65e3d0e0c0a47cc685d9b12d04e74d396f435b879f1bc023d8afc38b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-02-01T14:20:33Z",
    "title_canon_sha256": "6be147f8c7efff50ac8cbfc4340e6998400fa97a4f201c023aba7d9facca1f87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0176",
    "kind": "arxiv",
    "version": 1
  }
}