Pith Number

pith:ZD3VOAO5

pith:2013:ZD3VOAO5U2W4BNYJ6CBOH7VILC

not attested not anchored not stored refs pending

Double Greedy Algorithms: Reduced Basis Methods for Transport Dominated Problems

Christian Plesken, Gerrit Welper, Wolfgang Dahmen

arxiv:1302.5072 v1 · 2013-02-20 · 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{ZD3VOAO5U2W4BNYJ6CBOH7VILC}

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	2026-05-17T23:53:17.865731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8f75701dda6adc0b709f082e3fea858ad59231d751c90d56a41f657d3a9a0ab

Aliases

arxiv: 1302.5072 · arxiv_version: 1302.5072v1 · doi: 10.48550/arxiv.1302.5072 · pith_short_12: ZD3VOAO5U2W4 · pith_short_16: ZD3VOAO5U2W4BNYJ · pith_short_8: ZD3VOAO5

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/ZD3VOAO5U2W4BNYJ6CBOH7VILC \
  | 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: c8f75701dda6adc0b709f082e3fea858ad59231d751c90d56a41f657d3a9a0ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c43e2dc2f0638b167036f7c9cacc5d8553e21d064e6ca1e275d9d8ecc1b3c65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-02-20T19:03:43Z",
    "title_canon_sha256": "a87afc66e5715d48b423aeb757c8659aa478cc4173413d47bd304b05cb40ec4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5072",
    "kind": "arxiv",
    "version": 1
  }
}