Pith Number

pith:UZCA753U

pith:2022:UZCA753UPXOR5HEKJE4SHAJABE

not attested not anchored not stored refs pending

Exact Matching: Algorithms and Related Problems

Nicolas El Maalouly

arxiv:2203.13899 v4 · 2022-03-25 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZCA753UPXOR5HEKJE4SHAJABE}

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	2026-07-05T05:28:44.238335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6440ff7747ddd1e9c8a49392381200938512046f6bc22ea4a56544df9056d32

Aliases

arxiv: 2203.13899 · arxiv_version: 2203.13899v4 · doi: 10.48550/arxiv.2203.13899 · pith_short_12: UZCA753UPXOR · pith_short_16: UZCA753UPXOR5HEK · pith_short_8: UZCA753U

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/UZCA753UPXOR5HEKJE4SHAJABE \
  | 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: a6440ff7747ddd1e9c8a49392381200938512046f6bc22ea4a56544df9056d32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6451d6cdc6e4374e5566bdf8c6bb3c7fdeb558ce13908660ce3a741fa425bea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-03-25T20:34:08Z",
    "title_canon_sha256": "eb9538547745ff1137e3eadef716b8de075cb2f4a6992aa9e458b4cbac14776b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.13899",
    "kind": "arxiv",
    "version": 4
  }
}