Pith Number

pith:2V5XLTRS

pith:2014:2V5XLTRSGLG4VJCY3SMFFS4H3Y

not attested not anchored not stored refs pending

Continuous Matrix Approximation on Distributed Data

Feifei Li, Jeff M. Phillips, Mina Ghashami

arxiv:1404.7571 v1 · 2014-04-30 · 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{2V5XLTRSGLG4VJCY3SMFFS4H3Y}

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	2026-05-18T02:52:55.310800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d57b75ce3232cdcaa458dc9852cb87de2f14ca044121241da1a734e32fd5c920

Aliases

arxiv: 1404.7571 · arxiv_version: 1404.7571v1 · doi: 10.48550/arxiv.1404.7571 · pith_short_12: 2V5XLTRSGLG4 · pith_short_16: 2V5XLTRSGLG4VJCY · pith_short_8: 2V5XLTRS

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/2V5XLTRSGLG4VJCY3SMFFS4H3Y \
  | 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: d57b75ce3232cdcaa458dc9852cb87de2f14ca044121241da1a734e32fd5c920

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8ad0144e9f20f466d3980b412f676f881ba8e8e0aa3897f5573bf9faad3c451",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-04-30T01:57:40Z",
    "title_canon_sha256": "a0f554244900b11bf26dc0dd71a42c29224ad6e575ef9c99e9fc35eecb217086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7571",
    "kind": "arxiv",
    "version": 1
  }
}