Pith Number

pith:NB22UBE6

pith:2010:NB22UBE6RALXRBVE7NT6OSUFCW

not attested not anchored not stored refs pending

Poincar\'{e} functions with spiders' webs

Helena Mihaljevi\'c-Brandt, J\"orn Peter

arxiv:1010.0299 v1 · 2010-10-02 · math.DS · 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{NB22UBE6RALXRBVE7NT6OSUFCW}

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	2026-05-18T02:42:54.485931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6875aa049e88177886a4fb67e74a8515b9e2e6d178dba1f018e6a2bc0b94d4de

Aliases

arxiv: 1010.0299 · arxiv_version: 1010.0299v1 · doi: 10.48550/arxiv.1010.0299 · pith_short_12: NB22UBE6RALX · pith_short_16: NB22UBE6RALXRBVE · pith_short_8: NB22UBE6

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/NB22UBE6RALXRBVE7NT6OSUFCW \
  | 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: 6875aa049e88177886a4fb67e74a8515b9e2e6d178dba1f018e6a2bc0b94d4de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c34d975a7e21ed8140d200a09c498c14100c991ed71f132c93e3e84d1f23f6e8",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2010-10-02T07:30:06Z",
    "title_canon_sha256": "fb8656317c13fabecce0380903809d0d8c9eccc560b22c66064480f14aff675c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0299",
    "kind": "arxiv",
    "version": 1
  }
}