Pith Number

pith:FMBIN5ZC

pith:2012:FMBIN5ZCVWS24KLCJ5R6BMRQO6

not attested not anchored not stored refs pending

Spinorial Characterization of CR Structures, I

Rafael Hererra, Roger Nakad

arxiv:1208.1943 v5 · 2012-08-09 · 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{FMBIN5ZCVWS24KLCJ5R6BMRQO6}

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	2026-05-18T00:59:35.684859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b0286f722ada5ae29624f63e0b230779e07e329059b131b2615eb5372abd5f1

Aliases

arxiv: 1208.1943 · arxiv_version: 1208.1943v5 · doi: 10.48550/arxiv.1208.1943 · pith_short_12: FMBIN5ZCVWS2 · pith_short_16: FMBIN5ZCVWS24KLC · pith_short_8: FMBIN5ZC

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/FMBIN5ZCVWS24KLCJ5R6BMRQO6 \
  | 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: 2b0286f722ada5ae29624f63e0b230779e07e329059b131b2615eb5372abd5f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dc0f8dd5cd7be0ce7d4618f18e00f7763cf7ac937da6aac7eef23fd95d05aaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-08-09T15:09:46Z",
    "title_canon_sha256": "b58cc4cf48b9aa6f10b9c12360ad34dfc7127041592d5d27353c74a8dd4ba221"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1943",
    "kind": "arxiv",
    "version": 5
  }
}