Pith Number

pith:UA76ZWUY

pith:2013:UA76ZWUYNFTSKBVOOAUV74OXAP

not attested not anchored not stored refs pending

Universal Lagrangian Bundles

Daniele Sepe

arxiv:1304.2855 v1 · 2013-04-10 · math.SG · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UA76ZWUYNFTSKBVOOAUV74OXAP}

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	2026-05-18T03:28:28.104709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a03fecda9869672506ae70295ff1d703c60384fe007e577b4e8e63cf0b6cc8cf

Aliases

arxiv: 1304.2855 · arxiv_version: 1304.2855v1 · doi: 10.48550/arxiv.1304.2855 · pith_short_12: UA76ZWUYNFTS · pith_short_16: UA76ZWUYNFTSKBVO · pith_short_8: UA76ZWUY

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/UA76ZWUYNFTSKBVOOAUV74OXAP \
  | 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: a03fecda9869672506ae70295ff1d703c60384fe007e577b4e8e63cf0b6cc8cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d73a2aa50dfcdfc1d8ccf164ab8f14ad8525fbe1cfaa69a7818da20a8324cda",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-04-10T07:01:46Z",
    "title_canon_sha256": "10633e8f4b97d4310366760481d635ceff596fedde95113f0a1ec74d8c340438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2855",
    "kind": "arxiv",
    "version": 1
  }
}