Pith Number

pith:BRBQWLGZ

pith:2016:BRBQWLGZRDAKTYRPDWZIKXA777

not attested not anchored not stored refs pending

A quasiconformal composition problem for the Q-spaces

Jie Xiao, Pekka Koskela, Yi Ru-Ya Zhang, Yuan Zhou

arxiv:1608.02009 v1 · 2016-08-05 · 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{BRBQWLGZRDAKTYRPDWZIKXA777}

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	2026-05-18T01:09:41.162006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c430b2cd988c0a9e22f1db2855c1fffc15477c0be5bcf28db3ee5a3d48c9ec3

Aliases

arxiv: 1608.02009 · arxiv_version: 1608.02009v1 · doi: 10.48550/arxiv.1608.02009 · pith_short_12: BRBQWLGZRDAK · pith_short_16: BRBQWLGZRDAKTYRP · pith_short_8: BRBQWLGZ

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/BRBQWLGZRDAKTYRPDWZIKXA777 \
  | 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: 0c430b2cd988c0a9e22f1db2855c1fffc15477c0be5bcf28db3ee5a3d48c9ec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dece618e55cd8642d87d40cee98e31dbb9e71c7bddf7346c6cf24cec4c68630",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-08-05T20:11:23Z",
    "title_canon_sha256": "09068a45538c369d86734ac7fecffe3696f56835b68d0117d43252983a27ef73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02009",
    "kind": "arxiv",
    "version": 1
  }
}