Pith Number

pith:G7LKCDN6

pith:2023:G7LKCDN6RJIBMHAH3EDTF23GF5

not attested not anchored not stored refs pending

Formal first integrals and higher variational equations

Sergi Simon

arxiv:2309.04449 v3 · 2023-09-08 · 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{G7LKCDN6RJIBMHAH3EDTF23GF5}

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	2026-05-27T02:04:59.739830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37d6a10dbe8a50161c07d90732eb662f54bec7223e164168c78bd03d192b020e

Aliases

arxiv: 2309.04449 · arxiv_version: 2309.04449v3 · doi: 10.48550/arxiv.2309.04449 · pith_short_12: G7LKCDN6RJIB · pith_short_16: G7LKCDN6RJIBMHAH · pith_short_8: G7LKCDN6

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/G7LKCDN6RJIBMHAH3EDTF23GF5 \
  | 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: 37d6a10dbe8a50161c07d90732eb662f54bec7223e164168c78bd03d192b020e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dc8a1ce3da82ddbe1d0cdbc25d0bc02f35834bba256ada2793d85406cca25dc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2023-09-08T17:15:42Z",
    "title_canon_sha256": "966710f53f89377db52e45b49a7fd59deacecefc54da8ef47c041dedf12dc6bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.04449",
    "kind": "arxiv",
    "version": 3
  }
}