Pith Number

pith:J67X2Y53

pith:2009:J67X2Y53AAXXREWFII7BNPASLO

not attested not anchored not stored refs pending

Flux norm approach to finite dimensional homogenization approximations with non-separated scales and high contrast

Houman Owhadi, Leonid Berlyand

arxiv:0901.1463 v7 · 2009-01-11 · math.AP · 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{J67X2Y53AAXXREWFII7BNPASLO}

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	2026-05-18T02:15:02.626570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fbf7d63bb002f7892c5423e16bc125ba816b9133489c3c8c537cd29869b27b6

Aliases

arxiv: 0901.1463 · arxiv_version: 0901.1463v7 · doi: 10.48550/arxiv.0901.1463 · pith_short_12: J67X2Y53AAXX · pith_short_16: J67X2Y53AAXXREWF · pith_short_8: J67X2Y53

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/J67X2Y53AAXXREWFII7BNPASLO \
  | 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: 4fbf7d63bb002f7892c5423e16bc125ba816b9133489c3c8c537cd29869b27b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07ddaf234d6adc99302c50a1fb9fa3133c8b1c2fe2fa3bc8b2cd36775d9c14df",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-01-11T20:12:54Z",
    "title_canon_sha256": "54770e1a9cc7df414d5c3b1a827557aa8f0f13718bc7e7899e781c0b452767c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1463",
    "kind": "arxiv",
    "version": 7
  }
}