Pith Number

pith:J6POQDKS

pith:2009:J6POQDKSCRNB2ODW3KX7FFATP2

not attested not anchored not stored refs pending

Hamiltonian Boundary Value Methods (Energy Conserving Discrete Line Integral Methods)

Donato Trigiante, Felice Iavernaro, Luigi Brugnano

arxiv:0910.3621 v5 · 2009-10-19 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6POQDKSCRNB2ODW3KX7FFATP2}

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	2026-05-18T04:39:16.780009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f9ee80d52145a1d3876daaff294137ebe79f368eb4f3c23d0529d163f83c764

Aliases

arxiv: 0910.3621 · arxiv_version: 0910.3621v5 · doi: 10.48550/arxiv.0910.3621 · pith_short_12: J6POQDKSCRNB · pith_short_16: J6POQDKSCRNB2ODW · pith_short_8: J6POQDKS

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/J6POQDKSCRNB2ODW3KX7FFATP2 \
  | 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: 4f9ee80d52145a1d3876daaff294137ebe79f368eb4f3c23d0529d163f83c764

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "449760e04ca90ab45fc25001a6347bd3acb68ce868a2dec330c993ef99251945",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-10-19T17:40:24Z",
    "title_canon_sha256": "c9c088da2fdb30add254943220ccfefd6407648c99cbc18f55730e81894bffa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3621",
    "kind": "arxiv",
    "version": 5
  }
}