Pith Number

pith:6BIXNXC5

pith:2025:6BIXNXC5674ZYLYUXYFBXRZTKB

not attested not anchored not stored refs pending

A Compiler for Operations on Relations with Bag Semantics

Fredrik Kjolstad, James Dong

arxiv:2502.06988 v1 · 2025-02-10 · cs.PL · 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{6BIXNXC5674ZYLYUXYFBXRZTKB}

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	2026-07-05T10:12:31.025476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f05176dc5df7f99c2f14be0a1bc73350429884525b0f217a9afb87c04a1ff17b

Aliases

arxiv: 2502.06988 · arxiv_version: 2502.06988v1 · doi: 10.48550/arxiv.2502.06988 · pith_short_12: 6BIXNXC5674Z · pith_short_16: 6BIXNXC5674ZYLYU · pith_short_8: 6BIXNXC5

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/6BIXNXC5674ZYLYUXYFBXRZTKB \
  | 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: f05176dc5df7f99c2f14be0a1bc73350429884525b0f217a9afb87c04a1ff17b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60f6119325878f81f7bb7bc2ce621f961aaeaa6fef2b2585b022099058c1959b",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2025-02-10T19:29:15Z",
    "title_canon_sha256": "b513f88f7117f08dc77646d660b950614f92bcd3ae724a8886fb975ad23fd999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06988",
    "kind": "arxiv",
    "version": 1
  }
}