Pith Number

pith:5XBFJTAF

pith:2024:5XBFJTAFTKURECM2AOQXOVHSDI

not attested not anchored not stored refs pending

UniSparse: An Intermediate Language for General Sparse Format Customization

Benjamin Brock, Hongbo Rong, Jie Liu, Zhiru Zhang, Zhongyuan Zhao, Zijian Ding

arxiv:2403.05802 v1 · 2024-03-09 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XBFJTAFTKURECM2AOQXOVHSDI}

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	2026-07-05T07:54:14.054068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edc254cc059aa912099a03a17754f21a1910896d2a8815bc6c2ff88409fcf9db

Aliases

arxiv: 2403.05802 · arxiv_version: 2403.05802v1 · doi: 10.48550/arxiv.2403.05802 · pith_short_12: 5XBFJTAFTKUR · pith_short_16: 5XBFJTAFTKURECM2 · pith_short_8: 5XBFJTAF

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/5XBFJTAFTKURECM2AOQXOVHSDI \
  | 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: edc254cc059aa912099a03a17754f21a1910896d2a8815bc6c2ff88409fcf9db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8afa79c75011a9a42a8f715832e81fbcd09c5e01c7a532b8ea36ef12ac15289e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-03-09T05:38:45Z",
    "title_canon_sha256": "f8b94e136afec6885e34560a2d5713a7e59590138aca287166d0d8147115a706"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.05802",
    "kind": "arxiv",
    "version": 1
  }
}