Pith Number

pith:3I3QTX4M

pith:2021:3I3QTX4M2IYPFD547UT36FZBVQ

not attested not anchored not stored refs pending

Matched Pair Analysis of Euler-Poincar\'{e} Flow on Hamiltonian Vector Fields

Cristina Sard\'on, Marcin Zajac, O\u{g}ul Esen

arxiv:2103.04401 v1 · 2021-03-07 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3I3QTX4M2IYPFD547UT36FZBVQ}

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	2026-07-05T02:29:46.146833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da3709df8cd230f28fbcfd27bf1721ac22a313b168674cbc21af9325d0ca3cde

Aliases

arxiv: 2103.04401 · arxiv_version: 2103.04401v1 · doi: 10.48550/arxiv.2103.04401 · pith_short_12: 3I3QTX4M2IYP · pith_short_16: 3I3QTX4M2IYPFD54 · pith_short_8: 3I3QTX4M

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/3I3QTX4M2IYPFD547UT36FZBVQ \
  | 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: da3709df8cd230f28fbcfd27bf1721ac22a313b168674cbc21af9325d0ca3cde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59b7ffd1224337e6abae3a18228c7203f03ade42860589661a6783ce9b5520b3",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2021-03-07T17:10:46Z",
    "title_canon_sha256": "0cc23393d7a4757519d8ec0815690f977d2677d446f86c99b9f7ca380d740465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04401",
    "kind": "arxiv",
    "version": 1
  }
}