Pith Number

pith:2UJUDAZA

pith:2018:2UJUDAZA6BOQGSRX64W7LHAB43

not attested not anchored not stored refs pending

Non-Empty Bins with Simple Tabulation Hashing

Anders Aamand, Mikkel Thorup

arxiv:1810.13187 v1 · 2018-10-31 · 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{2UJUDAZA6BOQGSRX64W7LHAB43}

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	2026-05-18T00:01:52.008754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d513418320f05d034a37f72df59c01e6db46bc5a1eba8991fa0f6d9f88ec160b

Aliases

arxiv: 1810.13187 · arxiv_version: 1810.13187v1 · doi: 10.48550/arxiv.1810.13187 · pith_short_12: 2UJUDAZA6BOQ · pith_short_16: 2UJUDAZA6BOQGSRX · pith_short_8: 2UJUDAZA

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/2UJUDAZA6BOQGSRX64W7LHAB43 \
  | 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: d513418320f05d034a37f72df59c01e6db46bc5a1eba8991fa0f6d9f88ec160b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c62ee56986896b898e051a10e06a2a0b73de07e89f1f297766db79a3b67bdeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-31T09:53:50Z",
    "title_canon_sha256": "243b707c186b1748924f13439bbcc629577e9e93d85496eeac3ab70d1f920c23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.13187",
    "kind": "arxiv",
    "version": 1
  }
}