Pith Number

pith:RNYSUTEG

pith:2015:RNYSUTEGGBRZKUXXKWTFL7LW4Y

not attested not anchored not stored refs pending

Robust Model Reduction by $L^1$-norm Minimization and Approximation via Dictionaries: Application to Linear and Nonlinear Hyperbolic Problems

David Amsallem, Remi Abgrall

arxiv:1506.06178 v1 · 2015-06-19 · 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{RNYSUTEGGBRZKUXXKWTFL7LW4Y}

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	2026-05-18T01:41:58.527063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b712a4c8630639552f755a655fd76e603096251afa84e86eaa91e4f750e69c9

Aliases

arxiv: 1506.06178 · arxiv_version: 1506.06178v1 · doi: 10.48550/arxiv.1506.06178 · pith_short_12: RNYSUTEGGBRZ · pith_short_16: RNYSUTEGGBRZKUXX · pith_short_8: RNYSUTEG

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/RNYSUTEGGBRZKUXXKWTFL7LW4Y \
  | 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: 8b712a4c8630639552f755a655fd76e603096251afa84e86eaa91e4f750e69c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da8f536f542843fc4b59fa39b1e69f617c3f5dde866a668496c6dcb4621fa398",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-19T23:05:58Z",
    "title_canon_sha256": "caae38f6e0a7a2c1168cbeb9cc00a77dd625db97de116f74de6fe6b9737dc74b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06178",
    "kind": "arxiv",
    "version": 1
  }
}