Pith Number

pith:NBZ57DM3

pith:2025:NBZ57DM32NZDWN4R2H6B2U6MPR

not attested not anchored not stored refs pending

SSCard: Substring Cardinality Estimation using Suffix Tree-Guided Learned FM-Index

Jun Gao, Wen Nie, Yirui Zhan

arxiv:2505.24312 v1 · 2025-05-30 · 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{NBZ57DM32NZDWN4R2H6B2U6MPR}

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	2026-07-05T11:12:46.529010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6873df8d9bd3723b3791d1fc1d53cc7c6cf61bca6e19157f13f555f96b53362d

Aliases

arxiv: 2505.24312 · arxiv_version: 2505.24312v1 · doi: 10.48550/arxiv.2505.24312 · pith_short_12: NBZ57DM32NZD · pith_short_16: NBZ57DM32NZDWN4R · pith_short_8: NBZ57DM3

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/NBZ57DM32NZDWN4R2H6B2U6MPR \
  | 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: 6873df8d9bd3723b3791d1fc1d53cc7c6cf61bca6e19157f13f555f96b53362d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c80640857b7d7c3207956dda7766a3b22cd7fbdeaaa565045c4a6af503ceded3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-05-30T07:52:06Z",
    "title_canon_sha256": "cd73b72a9d4ea22a63b88ea028d1507f7ee617ce2d3a77462b77a3d1637c0cdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24312",
    "kind": "arxiv",
    "version": 1
  }
}