Pith Number

pith:TXKPIWKS

pith:2013:TXKPIWKSALNTS5HCAZVZLBETWB

not attested not anchored not stored refs pending

Double-interval societies

Francis Edward Su, Jacob N. Scott, Kathryn L. Nyman, Maria Klawe

arxiv:1307.5094 v1 · 2013-07-18 · 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{TXKPIWKSALNTS5HCAZVZLBETWB}

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	2026-05-18T03:18:05.697389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dd4f4595202db3974e2066b958493b064420c04435a34937b66bea7d30805f8

Aliases

arxiv: 1307.5094 · arxiv_version: 1307.5094v1 · doi: 10.48550/arxiv.1307.5094 · pith_short_12: TXKPIWKSALNT · pith_short_16: TXKPIWKSALNTS5HC · pith_short_8: TXKPIWKS

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/TXKPIWKSALNTS5HCAZVZLBETWB \
  | 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: 9dd4f4595202db3974e2066b958493b064420c04435a34937b66bea7d30805f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27e587ebd78b2b2f3d79d2e06f6a6d5d8e0514e20bbe704542ea2b575cec7992",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-07-18T22:13:46Z",
    "title_canon_sha256": "60371b3eff82b442a69c166f8c64f5a3a7999101bda60d05dbee6ea337c41a14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5094",
    "kind": "arxiv",
    "version": 1
  }
}