Pith Number

pith:VWQYLP5E

pith:2011:VWQYLP5E7FQGYSOWDYW272MUPO

not attested not anchored not stored refs pending

Effective Cartan-Tanaka connections on C6-smooth strongly pseudoconvex hypersurfaces M3 of C2

Joel Merker (LM-Orsay), Mansour Aghasi, Masoud Sabzevari

arxiv:1104.1509 v1 · 2011-04-08 · math.DG · 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{VWQYLP5E7FQGYSOWDYW272MUPO}

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	2026-05-18T04:24:44.902879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ada185bfa4f9606c49d61e2dafe9947b9d931a62fde36b81e7cb1982aeddf15a

Aliases

arxiv: 1104.1509 · arxiv_version: 1104.1509v1 · doi: 10.48550/arxiv.1104.1509 · pith_short_12: VWQYLP5E7FQG · pith_short_16: VWQYLP5E7FQGYSOW · pith_short_8: VWQYLP5E

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/VWQYLP5E7FQGYSOWDYW272MUPO \
  | 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: ada185bfa4f9606c49d61e2dafe9947b9d931a62fde36b81e7cb1982aeddf15a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6618e6b09048b99e4baa0332f9fbee376877b1d1c7c075ec6df267973e482d7",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-04-08T07:50:51Z",
    "title_canon_sha256": "a6d2594463a665e5cfc77d235f7719eee9ced4a3377c2457800fcdd017d29574"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1509",
    "kind": "arxiv",
    "version": 1
  }
}