Pith Number

pith:2TB66OYE

pith:2014:2TB66OYESG6JIHS477GMTM4X2F

not attested not anchored not stored refs pending

Partition regularity without the columns property

Ben Barber, Dona Strauss, Imre Leader, Neil Hindman

arxiv:1401.1377 v1 · 2014-01-07 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TB66OYESG6JIHS477GMTM4X2F}

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	2026-05-18T00:06:44.293903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4c3ef3b0491bc941e5cffccc9b397d14d64e58cbf5ba3e46c1b80dda1535113

Aliases

arxiv: 1401.1377 · arxiv_version: 1401.1377v1 · doi: 10.48550/arxiv.1401.1377 · pith_short_12: 2TB66OYESG6J · pith_short_16: 2TB66OYESG6JIHS4 · pith_short_8: 2TB66OYE

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/2TB66OYESG6JIHS477GMTM4X2F \
  | 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: d4c3ef3b0491bc941e5cffccc9b397d14d64e58cbf5ba3e46c1b80dda1535113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b52ff3f5eba88c199ad651bb36a63bcdd0ba0505fe1b361f38cf7322a1a71117",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-07T13:48:02Z",
    "title_canon_sha256": "6519f78b4a500721cbf4e295768b570c01adde238d57df7fa1b271fa02776c02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1377",
    "kind": "arxiv",
    "version": 1
  }
}