Pith Number

pith:CS5PIOTU

pith:2019:CS5PIOTUH4Z7JXNZKHDNUNQFNV

not attested not anchored not stored refs pending

Validated computations for connecting orbits in polynomial vector fields

Jan Bouwe van den Berg, Ray Sheombarsing

arxiv:1902.07833 v1 · 2019-02-21 · 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{CS5PIOTUH4Z7JXNZKHDNUNQFNV}

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	2026-05-17T23:53:03.738482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14baf43a743f33f4ddb951c6da36056d47815c1244ac1cdd5d6dd669698a5a45

Aliases

arxiv: 1902.07833 · arxiv_version: 1902.07833v1 · doi: 10.48550/arxiv.1902.07833 · pith_short_12: CS5PIOTUH4Z7 · pith_short_16: CS5PIOTUH4Z7JXNZ · pith_short_8: CS5PIOTU

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/CS5PIOTUH4Z7JXNZKHDNUNQFNV \
  | 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: 14baf43a743f33f4ddb951c6da36056d47815c1244ac1cdd5d6dd669698a5a45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccc81285393a33f416665698bd45a3ad86b9dcc82ed4289c10a4d3728fd0f574",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-02-21T01:27:56Z",
    "title_canon_sha256": "982f2fe1e45e0f41599fea35d1db97a9326245893214a13ebc08be45895a60f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07833",
    "kind": "arxiv",
    "version": 1
  }
}