Pith Number

pith:ZFHC7TMZ

pith:2018:ZFHC7TMZSROXSR2WYVQUJCYOFZ

not attested not anchored not stored refs pending

Symplectic Model-Reduction with a Weighted Inner Product

Ashish Bhatt, Babak Maboudi Afkham, Bernard Haasdonk, Jan S. Hesthaven

arxiv:1803.07799 v1 · 2018-03-21 · 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{ZFHC7TMZSROXSR2WYVQUJCYOFZ}

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	2026-05-18T00:20:28.888476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c94e2fcd99945d794756c561448b0e2e5f725b312e69ca9341892190d494999c

Aliases

arxiv: 1803.07799 · arxiv_version: 1803.07799v1 · doi: 10.48550/arxiv.1803.07799 · pith_short_12: ZFHC7TMZSROX · pith_short_16: ZFHC7TMZSROXSR2W · pith_short_8: ZFHC7TMZ

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/ZFHC7TMZSROXSR2WYVQUJCYOFZ \
  | 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: c94e2fcd99945d794756c561448b0e2e5f725b312e69ca9341892190d494999c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c495af77399c8a41bfc94582bdba016c0225ec531b79db6cc6f6d6be22c0c2a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-21T08:52:43Z",
    "title_canon_sha256": "d0f7c26b3015701fdc5b6aae116cdfb532755e6b4c04aa81815d2aeb600801a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07799",
    "kind": "arxiv",
    "version": 1
  }
}