Pith Number

pith:OPYUTJZ3

pith:2010:OPYUTJZ3I6POOGEG2YLYLKRAU3

not attested not anchored not stored refs pending

Linear chord diagrams on two intervals

Christian M. Reidys, J{\o}rgen E. Andersen, Rita R. Wang, Robert C. Penner

arxiv:1010.5857 v1 · 2010-10-28 · 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{OPYUTJZ3I6POOGEG2YLYLKRAU3}

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	2026-05-18T04:38:15.041613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f149a73b479ee71886d61785aa20a6db7cc0edaeec75241c26e4ff2ddf8f84

Aliases

arxiv: 1010.5857 · arxiv_version: 1010.5857v1 · doi: 10.48550/arxiv.1010.5857 · pith_short_12: OPYUTJZ3I6PO · pith_short_16: OPYUTJZ3I6POOGEG · pith_short_8: OPYUTJZ3

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/OPYUTJZ3I6POOGEG2YLYLKRAU3 \
  | 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: 73f149a73b479ee71886d61785aa20a6db7cc0edaeec75241c26e4ff2ddf8f84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "549996fbd550217448df03cb6b8293691791272b8755f05ecd8c5a5d4384f69a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-10-28T04:28:34Z",
    "title_canon_sha256": "ca1d111d48f29225cc1a61722ec168f8158acf2342b5a251fcc34c4121799e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5857",
    "kind": "arxiv",
    "version": 1
  }
}