Pith Number

pith:TSXRKW5F

pith:2014:TSXRKW5FRO4KGIKGQYSPNKOR54

not attested not anchored not stored refs pending

Polynomial normal forms of Constrained Differential Equations with three parameters

Henk Broer, H. Jard\'on-Kojakhmetov

arxiv:1401.3932 v2 · 2014-01-16 · 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{TSXRKW5FRO4KGIKGQYSPNKOR54}

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	2026-05-18T00:16:16.344264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9caf155ba58bb8a321468624f6a9d1ef26f051eeb04ceeb50916fff1d5ee50fa

Aliases

arxiv: 1401.3932 · arxiv_version: 1401.3932v2 · doi: 10.48550/arxiv.1401.3932 · pith_short_12: TSXRKW5FRO4K · pith_short_16: TSXRKW5FRO4KGIKG · pith_short_8: TSXRKW5F

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/TSXRKW5FRO4KGIKGQYSPNKOR54 \
  | 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: 9caf155ba58bb8a321468624f6a9d1ef26f051eeb04ceeb50916fff1d5ee50fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c2bf443d5bc67ef10b5416a84a35b31a48c64d9d8f44be4af026b947c6020aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-01-16T08:43:13Z",
    "title_canon_sha256": "46b58d4c6570c6192befa288f1f7f4f21649cd12ec06eeacd02e36b4acaae5aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3932",
    "kind": "arxiv",
    "version": 2
  }
}