Pith Number

pith:2CWRZDZC

pith:2014:2CWRZDZCNYKH2EQCMIXJIP65TQ

not attested not anchored not stored refs pending

Note on islands in path-length sequences of binary trees

N.M. Singhi, S. Cortes Reina, S. Foldes, Y. Mardoukhi

arxiv:1409.3855 v1 · 2014-09-12 · 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{2CWRZDZCNYKH2EQCMIXJIP65TQ}

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	2026-05-18T02:42:53.495939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0ad1c8f226e147d1202622e943fdd9c30ecf5417a2ac53d09f77bdc5feea66a

Aliases

arxiv: 1409.3855 · arxiv_version: 1409.3855v1 · doi: 10.48550/arxiv.1409.3855 · pith_short_12: 2CWRZDZCNYKH · pith_short_16: 2CWRZDZCNYKH2EQC · pith_short_8: 2CWRZDZC

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/2CWRZDZCNYKH2EQCMIXJIP65TQ \
  | 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: d0ad1c8f226e147d1202622e943fdd9c30ecf5417a2ac53d09f77bdc5feea66a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab884aff5b539f51764170e00aa44e935bd3c904561379ac32c02317d478618a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-09-12T20:17:47Z",
    "title_canon_sha256": "298565cf43cdfb214d74ce33d0d0e5d87565db600f9dbf86ef4974d75ee6afdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3855",
    "kind": "arxiv",
    "version": 1
  }
}