Pith Number

pith:EMZGXFUU

pith:2014:EMZGXFUUWTB4S4KHDHNIV37UHH

not attested not anchored not stored refs pending

Cartan equivalences for 5-dimensional CR-manifolds in C^4 belonging to General Class III_1

Joel Merker (LM-Orsay), Masoud Sabzevari (Shahrekord)

arxiv:1401.4297 v1 · 2014-01-17 · math.CV · 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{EMZGXFUUWTB4S4KHDHNIV37UHH}

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	2026-05-18T03:01:55.417305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23326b9694b4c3c9714719da8aeff439f1024704a57de7947caaf77fedba4964

Aliases

arxiv: 1401.4297 · arxiv_version: 1401.4297v1 · doi: 10.48550/arxiv.1401.4297 · pith_short_12: EMZGXFUUWTB4 · pith_short_16: EMZGXFUUWTB4S4KH · pith_short_8: EMZGXFUU

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/EMZGXFUUWTB4S4KHDHNIV37UHH \
  | 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: 23326b9694b4c3c9714719da8aeff439f1024704a57de7947caaf77fedba4964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40c8cd2a897f84159f345fb4d0bfb699c0ae812a30c34d4838ccd79695c51c3b",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-01-17T10:36:55Z",
    "title_canon_sha256": "4be87f205e95242335bdc62c3c835667fed1f4c727e5f29c38ecd1812dea88da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4297",
    "kind": "arxiv",
    "version": 1
  }
}