Pith Number

pith:CRV7OW52

pith:1993:CRV7OW52H56VBEWWQHF4WILIK7

not attested not anchored not stored refs pending

Approximation of Relaxed Dirichlet Problems by Boundary Value problems in perforated domains

Annalisa Malusa, Gianni Dal Maso

arxiv:funct-an/9303004 v1 · 1993-03-26 · funct-an · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CRV7OW52H56VBEWWQHF4WILIK7}

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	2026-05-18T01:06:48.419236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

146bf75bba3f7d5092d681cbcb216857e72cd89cb14d97a7bf61b7587f0be329

Aliases

arxiv: funct-an/9303004 · arxiv_version: funct-an/9303004v1 · doi: 10.48550/arxiv.funct-an/9303004 · pith_short_12: CRV7OW52H56V · pith_short_16: CRV7OW52H56VBEWW · pith_short_8: CRV7OW52

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/CRV7OW52H56VBEWWQHF4WILIK7 \
  | 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: 146bf75bba3f7d5092d681cbcb216857e72cd89cb14d97a7bf61b7587f0be329

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81d82d66bbd5ec05234ec15f188679baf0dc99ba9feb23318acd22aec8514edc",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "",
    "primary_cat": "funct-an",
    "submitted_at": "1993-03-26T11:23:54Z",
    "title_canon_sha256": "3df1b907a0f8fbeab3c06b983e1474fe6ee6e90563948e54ed1b972b36482a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "funct-an/9303004",
    "kind": "arxiv",
    "version": 1
  }
}