Pith Number

pith:UKKPFAHC

pith:2018:UKKPFAHCEE3I6AGDMQENSTGISL

not attested not anchored not stored refs pending

Resolution and the binary encoding of combinatorial principles

Barnaby Martin, Nicola Galesi, Stefan Dantchev

arxiv:1809.02843 v2 · 2018-09-08 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKKPFAHCEE3I6AGDMQENSTGISL}

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	2026-05-18T00:05:21.303866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a294f280e221368f00c36408d94cc892ecb8667d8d98de3d0a49e72974f4d69a

Aliases

arxiv: 1809.02843 · arxiv_version: 1809.02843v2 · doi: 10.48550/arxiv.1809.02843 · pith_short_12: UKKPFAHCEE3I · pith_short_16: UKKPFAHCEE3I6AGD · pith_short_8: UKKPFAHC

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/UKKPFAHCEE3I6AGDMQENSTGISL \
  | 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: a294f280e221368f00c36408d94cc892ecb8667d8d98de3d0a49e72974f4d69a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "065b58739b4ec01f4a506f4431e50f1a19d757b478c04e2298110aab8bd9a7f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-09-08T17:41:16Z",
    "title_canon_sha256": "0ffab7ab5d9e16b7edbf25f890778119c616ed64a9b2d568673b8c1956494577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02843",
    "kind": "arxiv",
    "version": 2
  }
}