Pith Number

pith:WCV5WGN2

pith:2015:WCV5WGN2XPUZIY7HXTCZGAB57N

not attested not anchored not stored refs pending

On thin carpets for doubling measures

Changhao Chen, Shengyou Wen

arxiv:1502.01487 v1 · 2015-02-05 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCV5WGN2XPUZIY7HXTCZGAB57N}

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	2026-05-18T02:27:51.946393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0abdb19babbe99463e7bcc593003dfb5031c7df2515133d1e0487d80ce446a1

Aliases

arxiv: 1502.01487 · arxiv_version: 1502.01487v1 · doi: 10.48550/arxiv.1502.01487 · pith_short_12: WCV5WGN2XPUZ · pith_short_16: WCV5WGN2XPUZIY7H · pith_short_8: WCV5WGN2

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/WCV5WGN2XPUZIY7HXTCZGAB57N \
  | 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: b0abdb19babbe99463e7bcc593003dfb5031c7df2515133d1e0487d80ce446a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27c41f731a50d94873c9b2363801c1d8c01bdb0202dbb634f7e53861f0a363d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-02-05T10:11:37Z",
    "title_canon_sha256": "add008a474c7d8db75dd1ad461abfc7edd55d59a57085b680c6c448017406521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01487",
    "kind": "arxiv",
    "version": 1
  }
}