Pith Number

pith:SFMYWY7Y

pith:2016:SFMYWY7YWLPXKHTD2P6WDCKKVC

not attested not anchored not stored refs pending

Effectivity in the Hyperbolicity-related problems

Ya Deng

arxiv:1606.03831 v1 · 2016-06-13 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFMYWY7YWLPXKHTD2P6WDCKKVC}

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.

Cited by

1 paper in Pith

Generalized algebraic Morse inequalities and Hasse-Schmidt jet differentials

Receipt and verification

First computed	2026-05-18T01:12:32.945714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91598b63f8b2df751e63d3fd61894aa88b560dad4109e3b0cb5a5fecd47399f4

Aliases

arxiv: 1606.03831 · arxiv_version: 1606.03831v1 · doi: 10.48550/arxiv.1606.03831 · pith_short_12: SFMYWY7YWLPX · pith_short_16: SFMYWY7YWLPXKHTD · pith_short_8: SFMYWY7Y

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/SFMYWY7YWLPXKHTD2P6WDCKKVC \
  | 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: 91598b63f8b2df751e63d3fd61894aa88b560dad4109e3b0cb5a5fecd47399f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38bcbe630103270b5dd4260291fb7be48bbf5bc49d72989e44961d443302c406",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-06-13T06:57:06Z",
    "title_canon_sha256": "e88c08b49e688ab5c73742b35a2a7d17c9ea307656552a79b5d90dbcf86eb732"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.03831",
    "kind": "arxiv",
    "version": 1
  }
}