pith. sign in
Pith Number

pith:F4525PSC

pith:2013:F4525PSC432SZF3SY3OBM2QBB3
not attested not anchored not stored refs pending

Open problems and conjectures on submanifolds of finite type revisited

Bang-Yen Chen

arxiv:1307.6582 v1 · 2013-07-24 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{F4525PSC432SZF3SY3OBM2QBB3}

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 2026-05-18T03:17:35.846292Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2f3baebe42e6f52c9772c6dc166a010ed26c66ebda4dc1287055da212aa408dc

Aliases

arxiv: 1307.6582 · arxiv_version: 1307.6582v1 · doi: 10.48550/arxiv.1307.6582 · pith_short_12: F4525PSC432S · pith_short_16: F4525PSC432SZF3S · pith_short_8: F4525PSC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/F4525PSC432SZF3SY3OBM2QBB3 \
  | 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: 2f3baebe42e6f52c9772c6dc166a010ed26c66ebda4dc1287055da212aa408dc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "074de6f8b41fb2b08bf2ca2c141a9b978fd4930ac3dff96b2e36b7caede7ff15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-07-24T21:03:08Z",
    "title_canon_sha256": "06c0d888d7e6ae75a4d07907574621e845a8a82dd1c4cf926ca2afbe892fc6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6582",
    "kind": "arxiv",
    "version": 1
  }
}