Pith Number

pith:EHKN3PST

pith:2009:EHKN3PST3IVZECR2UPKHNUHSNZ

not attested not anchored not stored refs pending

Image of a shift map along the orbits of a flow

Sergiy Maksymenko

arxiv:0902.2418 v3 · 2009-02-14 · math.DS · 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{EHKN3PST3IVZECR2UPKHNUHSNZ}

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	2026-05-18T01:23:48.562833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21d4ddbe53da2b920a3aa3d476d0f26e70448bc934346adf2dda41d24a5d7d8f

Aliases

arxiv: 0902.2418 · arxiv_version: 0902.2418v3 · doi: 10.48550/arxiv.0902.2418 · pith_short_12: EHKN3PST3IVZ · pith_short_16: EHKN3PST3IVZECR2 · pith_short_8: EHKN3PST

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/EHKN3PST3IVZECR2UPKHNUHSNZ \
  | 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: 21d4ddbe53da2b920a3aa3d476d0f26e70448bc934346adf2dda41d24a5d7d8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b48a6a670278ad13ca09893e1d7ce8d4b90a199b23f0f30e9c3307e91bc0ff2",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-02-14T00:37:58Z",
    "title_canon_sha256": "df3b3ca65975fa165ccd37694febd7d80debbd35d84554adb595e94eb9956faf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2418",
    "kind": "arxiv",
    "version": 3
  }
}