Pith Number

pith:RFEAMMEO

pith:2014:RFEAMMEO7E3IEGX5WNBP3G7TXP

not attested not anchored not stored refs pending

Helmholtz theorem for Hamiltonian systems on time scales

Fr\'ed\'eric Pierret

arxiv:1410.2076 v1 · 2014-10-08 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFEAMMEO7E3IEGX5WNBP3G7TXP}

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	2026-05-18T01:36:31.404958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

894806308ef936821afdb342fd9bf3bbd68431439d7842848daae8cf444afc6b

Aliases

arxiv: 1410.2076 · arxiv_version: 1410.2076v1 · doi: 10.48550/arxiv.1410.2076 · pith_short_12: RFEAMMEO7E3I · pith_short_16: RFEAMMEO7E3IEGX5 · pith_short_8: RFEAMMEO

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/RFEAMMEO7E3IEGX5WNBP3G7TXP \
  | 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: 894806308ef936821afdb342fd9bf3bbd68431439d7842848daae8cf444afc6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52e12ec8b006884db02d3f0097eb69f1735f11369dac8510968397070a2d6bda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-10-08T12:13:53Z",
    "title_canon_sha256": "bd60b8d297ac67db9db1c5e26fde07b1db4d596680bf24b894abc5f07dfc36a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2076",
    "kind": "arxiv",
    "version": 1
  }
}