Pith Number

pith:H4AVLWGQ

pith:2019:H4AVLWGQ7BWVSSBK5DGRDYTU2J

not attested not anchored not stored refs pending

Quantum algorithm for estimating volumes of convex bodies

Andrew M. Childs, Chunhao Wang, Shih-Han Hung, Shouvanik Chakrabarti, Tongyang Li, Xiaodi Wu

arxiv:1908.03903 v3 · 2019-08-11 · quant-ph · cs.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4AVLWGQ7BWVSSBK5DGRDYTU2J}

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	2026-07-05T06:08:37.512023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f0155d8d0f86d59482ae8cd11e274d2555db517f3f677e32ebf8fa574538cf3

Aliases

arxiv: 1908.03903 · arxiv_version: 1908.03903v3 · doi: 10.48550/arxiv.1908.03903 · pith_short_12: H4AVLWGQ7BWV · pith_short_16: H4AVLWGQ7BWVSSBK · pith_short_8: H4AVLWGQ

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/H4AVLWGQ7BWVSSBK5DGRDYTU2J \
  | 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: 3f0155d8d0f86d59482ae8cd11e274d2555db517f3f677e32ebf8fa574538cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cb0080d1e1ff7f3e3ed1d04126c3767f05e41e75bded48b70ac6ab8e8aef531",
    "cross_cats_sorted": [
      "cs.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-11T13:13:47Z",
    "title_canon_sha256": "028a6743ef6e80e30ae54dee622fe511d8b8e2eca4e68b8d35709a070f95d527"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03903",
    "kind": "arxiv",
    "version": 3
  }
}