Pith Number

pith:XK4YWAVD

pith:2016:XK4YWAVD3QTYFO7C5HG3OOA3PW

not attested not anchored not stored refs pending

The estimation of the area of a disk image for Sobolev classes

R. Salimov, V. Bilet

arxiv:1604.07618 v1 · 2016-04-26 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XK4YWAVD3QTYFO7C5HG3OOA3PW}

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	2026-05-18T01:16:12.523458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bab98b02a3dc2782bbe2e9cdb7381b7d8d624944d22886b807ea428c0051cd1b

Aliases

arxiv: 1604.07618 · arxiv_version: 1604.07618v1 · doi: 10.48550/arxiv.1604.07618 · pith_short_12: XK4YWAVD3QTY · pith_short_16: XK4YWAVD3QTYFO7C · pith_short_8: XK4YWAVD

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/XK4YWAVD3QTYFO7C5HG3OOA3PW \
  | 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: bab98b02a3dc2782bbe2e9cdb7381b7d8d624944d22886b807ea428c0051cd1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69f8151892b0d468cec33b3d0698c6d878cb4495a4d7fadfa1295e26fcf8b43b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-04-26T11:05:26Z",
    "title_canon_sha256": "a3212b253f852f18bf2372e58fa148d87456a898c32665a7d51d875ad0b8e713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07618",
    "kind": "arxiv",
    "version": 1
  }
}