Pith Number

pith:EEOK6GVZ

pith:2014:EEOK6GVZ5HYPNLB2SPD33X3MWO

not attested not anchored not stored refs pending

On the real-analytic infinitesimal CR automorphism of hypersurfaces of infinite type

Chu Van Tiep, Mai Anh Duc, Ninh Van Thu

arxiv:1404.4914 v2 · 2014-04-19 · 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{EEOK6GVZ5HYPNLB2SPD33X3MWO}

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	2026-05-18T02:53:39.395969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

211caf1ab9e9f0f6ac3a93c7bddf6cb3adc1d7332db665dca8d627e6d2491a54

Aliases

arxiv: 1404.4914 · arxiv_version: 1404.4914v2 · doi: 10.48550/arxiv.1404.4914 · pith_short_12: EEOK6GVZ5HYP · pith_short_16: EEOK6GVZ5HYPNLB2 · pith_short_8: EEOK6GVZ

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/EEOK6GVZ5HYPNLB2SPD33X3MWO \
  | 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: 211caf1ab9e9f0f6ac3a93c7bddf6cb3adc1d7332db665dca8d627e6d2491a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e075f2ea77613e356b31c82b38bce5baa507c5e71e4ff362c47d8b0fe777cc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-04-19T02:02:59Z",
    "title_canon_sha256": "0c740fe114220f162d986afb38b4e441de2994eb159d39e4255201061b030935"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4914",
    "kind": "arxiv",
    "version": 2
  }
}