Pith Number

pith:VWMGJOXD

pith:2017:VWMGJOXDCYGARQXM4MWYC4ZYSR

not attested not anchored not stored refs pending

Structure Preserving Model Reduction of Parametric Hamiltonian Systems

Babak Maboudi Afkham, Jan S. Hesthaven

arxiv:1703.08345 v1 · 2017-03-24 · 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{VWMGJOXDCYGARQXM4MWYC4ZYSR}

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	2026-05-18T00:20:49.123595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad9864bae3160c08c2ece32d8173389453eddd0a3378bd67e7d535420acc21be

Aliases

arxiv: 1703.08345 · arxiv_version: 1703.08345v1 · doi: 10.48550/arxiv.1703.08345 · pith_short_12: VWMGJOXDCYGA · pith_short_16: VWMGJOXDCYGARQXM · pith_short_8: VWMGJOXD

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/VWMGJOXDCYGARQXM4MWYC4ZYSR \
  | 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: ad9864bae3160c08c2ece32d8173389453eddd0a3378bd67e7d535420acc21be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d8dcfe927f2d2a706d97337702b17dd21c83d5e0144bd507a5608ce23685e47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-24T10:33:12Z",
    "title_canon_sha256": "a8a322e9d1ce496b18fd4e5ce79bf1735b9bcc5579ccb7bf3c155e84cf25c9cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08345",
    "kind": "arxiv",
    "version": 1
  }
}