Pith Number

pith:Z5L5VG6R

pith:2018:Z5L5VG6RGNB6BFGY3CBIQBCQ5D

not attested not anchored not stored refs pending

Unambiguous languages exhaust the index hierarchy

Micha{\l} Skrzypczak

arxiv:1803.06163 v4 · 2018-03-16 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5L5VG6RGNB6BFGY3CBIQBCQ5D}

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	2026-05-18T00:17:59.499824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf57da9bd13343e094d8d882880450e8f43c54531fa39ba96072c2711918ad65

Aliases

arxiv: 1803.06163 · arxiv_version: 1803.06163v4 · doi: 10.48550/arxiv.1803.06163 · pith_short_12: Z5L5VG6RGNB6 · pith_short_16: Z5L5VG6RGNB6BFGY · pith_short_8: Z5L5VG6R

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/Z5L5VG6RGNB6BFGY3CBIQBCQ5D \
  | 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: cf57da9bd13343e094d8d882880450e8f43c54531fa39ba96072c2711918ad65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfead4cc141b5b6856183cdeaec8569a97cd9e4831e42ab366f8f4a0adad8e44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-03-16T11:08:07Z",
    "title_canon_sha256": "2cffa95a6fbf805637f2eb4b4b29505f511b5bdb1157e698df744c5da5adc070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06163",
    "kind": "arxiv",
    "version": 4
  }
}