Pith Number

pith:G5NQLXM4

pith:2016:G5NQLXM4OKIWHAL4TRUUD3MVIU

not attested not anchored not stored refs pending

Normal forms on contracting foliations: smoothness and homogeneous structure

Boris Kalinin, Victoria Sadovskaya

arxiv:1612.03454 v1 · 2016-12-11 · 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{G5NQLXM4OKIWHAL4TRUUD3MVIU}

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	2026-05-18T00:55:19.188671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

375b05dd9c729163817c9c6941ed95452c62cb71d64d2edfc7ade8d43eebcceb

Aliases

arxiv: 1612.03454 · arxiv_version: 1612.03454v1 · doi: 10.48550/arxiv.1612.03454 · pith_short_12: G5NQLXM4OKIW · pith_short_16: G5NQLXM4OKIWHAL4 · pith_short_8: G5NQLXM4

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/G5NQLXM4OKIWHAL4TRUUD3MVIU \
  | 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: 375b05dd9c729163817c9c6941ed95452c62cb71d64d2edfc7ade8d43eebcceb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d65a6d34926e0566c38dccb2ca17094d30260f83c4ba3301c20aea307c48da4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-12-11T19:09:28Z",
    "title_canon_sha256": "e74a9880a7f06af8f3f54d6f2a3e5706e53e5bda3febebbdcd0dd0481514a955"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03454",
    "kind": "arxiv",
    "version": 1
  }
}