Pith Number

pith:UZQMTVXY

pith:2014:UZQMTVXYAU6PHH2JREMMX5J6FG

not attested not anchored not stored refs pending

A variational problem for curves on Riemann-Finsler surfaces

Kazuhiro Shibuya, Sorin V. Sabau

arxiv:1407.5511 v2 · 2014-07-21 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZQMTVXYAU6PHH2JREMMX5J6FG}

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	2026-05-18T02:26:12.774954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a660c9d6f8053cf39f498918cbf53e298732d864f700df7c2e541fcfe8667463

Aliases

arxiv: 1407.5511 · arxiv_version: 1407.5511v2 · doi: 10.48550/arxiv.1407.5511 · pith_short_12: UZQMTVXYAU6P · pith_short_16: UZQMTVXYAU6PHH2J · pith_short_8: UZQMTVXY

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/UZQMTVXYAU6PHH2JREMMX5J6FG \
  | 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: a660c9d6f8053cf39f498918cbf53e298732d864f700df7c2e541fcfe8667463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcfcd9b15c1f1a1f682e7a6f70386200397a9bafb9941a221c0fb593e3b1e194",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-07-21T14:34:34Z",
    "title_canon_sha256": "63e89d5ffb9594e2de5b8f9f8d35af05a82c2f94177ea78e5a0a53c69e9b9c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5511",
    "kind": "arxiv",
    "version": 2
  }
}