Pith Number

pith:SOY35INF

pith:2010:SOY35INF7P7U26F3LZ3KFPURYS

not attested not anchored not stored refs pending

Density estimates for a variational model driven by the Gagliardo norm

Enrico Valdinoci, Ovidiu Savin

arxiv:1007.2114 v3 · 2010-07-13 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOY35INF7P7U26F3LZ3KFPURYS}

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	2026-05-18T04:25:03.076912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93b1bea1a5fbff4d78bb5e76a2be91c48d706015b2c32e1f3a4d57ac9994940c

Aliases

arxiv: 1007.2114 · arxiv_version: 1007.2114v3 · doi: 10.48550/arxiv.1007.2114 · pith_short_12: SOY35INF7P7U · pith_short_16: SOY35INF7P7U26F3 · pith_short_8: SOY35INF

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/SOY35INF7P7U26F3LZ3KFPURYS \
  | 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: 93b1bea1a5fbff4d78bb5e76a2be91c48d706015b2c32e1f3a4d57ac9994940c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df45064c60975ed7cdbdb3d76133a520dc93f15eac08df68de88e152768d5d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-07-13T14:31:04Z",
    "title_canon_sha256": "60171b00c8208dbe7e44fe9b8bd128143de5b1055bfec70fd7fda5039df1ba5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2114",
    "kind": "arxiv",
    "version": 3
  }
}