Pith Number

pith:X34CY4W3

pith:2018:X34CY4W3JPVRGBXHPSYHD47W2R

not attested not anchored not stored refs pending

Index-based, High-dimensional, Cosine Threshold Querying with Optimality Guarantees

Benjamin Pullman, Jianguo Wang, Nuno Bandeira, Yannis Papakonstantinou, Yuliang Li

arxiv:1812.07695 v2 · 2018-12-18 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X34CY4W3JPVRGBXHPSYHD47W2R}

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	2026-05-17T23:56:33.249696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bef82c72db4beb1306e77cb071f3f6d476c4e979393a300a237fdcb5e66a9c6f

Aliases

arxiv: 1812.07695 · arxiv_version: 1812.07695v2 · doi: 10.48550/arxiv.1812.07695 · pith_short_12: X34CY4W3JPVR · pith_short_16: X34CY4W3JPVRGBXH · pith_short_8: X34CY4W3

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/X34CY4W3JPVRGBXHPSYHD47W2R \
  | 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: bef82c72db4beb1306e77cb071f3f6d476c4e979393a300a237fdcb5e66a9c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a55d780cd24c84eed960c73229b6991ee709d357323dd4d01adfd94976ebe8ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-12-18T23:30:39Z",
    "title_canon_sha256": "f0bbb4489dbf7e85d7bf73b375598745ce59a0494d6c7562fccd259a21eeb11e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07695",
    "kind": "arxiv",
    "version": 2
  }
}