Pith Number

pith:DPNOB4R7

pith:2012:DPNOB4R7LVAUADWSPSTVXOOJG3

not attested not anchored not stored refs pending

Topological aspects of completely integrable foliations

Helena Reis, Susana Pinheiro

arxiv:1209.2956 v1 · 2012-09-13 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPNOB4R7LVAUADWSPSTVXOOJG3}

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	2026-05-18T00:44:30.253588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bdae0f23f5d41400ed27ca75bb9c936f7c12544da778ea1a20f0db5ced0a23c

Aliases

arxiv: 1209.2956 · arxiv_version: 1209.2956v1 · doi: 10.48550/arxiv.1209.2956 · pith_short_12: DPNOB4R7LVAU · pith_short_16: DPNOB4R7LVAUADWS · pith_short_8: DPNOB4R7

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/DPNOB4R7LVAUADWSPSTVXOOJG3 \
  | 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: 1bdae0f23f5d41400ed27ca75bb9c936f7c12544da778ea1a20f0db5ced0a23c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c90b380cffc3c19157c37e3bbe75ec2cd0bdf527d273265f90b7b7c9ebb7125c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-09-13T16:46:34Z",
    "title_canon_sha256": "ff2fa004de308474d79312f2c1bf58aaaf1ffd626618268950151ff14425fb3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2956",
    "kind": "arxiv",
    "version": 1
  }
}