Pith Number

pith:BX5HPODH

pith:2018:BX5HPODHFQDJSUN64Y3XEL677P

not attested not anchored not stored refs pending

Arithmetical properties at the level of idempotence

Fethi Bouzeffour, Wissem Jedidi

arxiv:1804.08103 v1 · 2018-04-22 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BX5HPODHFQDJSUN64Y3XEL677P}

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	2026-05-18T00:17:49.543138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dfa77b8672c069951bee637722fdffbf2db8f4a8112e8e73da75149057bf6a5

Aliases

arxiv: 1804.08103 · arxiv_version: 1804.08103v1 · doi: 10.48550/arxiv.1804.08103 · pith_short_12: BX5HPODHFQDJ · pith_short_16: BX5HPODHFQDJSUN6 · pith_short_8: BX5HPODH

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/BX5HPODHFQDJSUN64Y3XEL677P \
  | 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: 0dfa77b8672c069951bee637722fdffbf2db8f4a8112e8e73da75149057bf6a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94655077b6582d4dc2c9e62bf0734608bd60229fdbb1363b06c80f58d1d3dff9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-04-22T12:01:47Z",
    "title_canon_sha256": "0cb682371073d53b8a91c06d8aaff95374570bfd2a8ea664f3d93a20d83f5ada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08103",
    "kind": "arxiv",
    "version": 1
  }
}