Pith Number

pith:FDXB35JK

pith:2015:FDXB35JKN7E4B4IDINKMIFL4VF

not attested not anchored not stored refs pending

An epiperimetric inequality approach to the regularity of the free boundary in the Signorini problem with variable coefficients

Arshak Petrosyan, Mariana Smit Vega Garcia, Nicola Garofalo

arxiv:1501.06498 v1 · 2015-01-26 · 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{FDXB35JKN7E4B4IDINKMIFL4VF}

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	2026-05-18T02:28:41.331475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ee1df52a6fc9c0f1034354c4157ca94d8bce0e79a7dc6bb32b5c20a31877c1

Aliases

arxiv: 1501.06498 · arxiv_version: 1501.06498v1 · doi: 10.48550/arxiv.1501.06498 · pith_short_12: FDXB35JKN7E4 · pith_short_16: FDXB35JKN7E4B4ID · pith_short_8: FDXB35JK

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/FDXB35JKN7E4B4IDINKMIFL4VF \
  | 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: 28ee1df52a6fc9c0f1034354c4157ca94d8bce0e79a7dc6bb32b5c20a31877c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32ce166bb2f8d48d23fe1a73187adb87a170235bfca7fe87c4acefe2becb98de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-01-26T17:55:33Z",
    "title_canon_sha256": "50dbf52ecb6baa2012eea6d9c14a74a9261f3f5fc950d324559cea441d5569d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06498",
    "kind": "arxiv",
    "version": 1
  }
}