Pith Number

pith:UGFX4W4Q

pith:2015:UGFX4W4QLBAB3AAAJT3NIGAT2P

not attested not anchored not stored refs pending

Carry Value Transformation (CVT) - Exclusive OR (XOR) Tree and Its Significant Properties

Jayanta Kumar Das, Pabitra Pal Choudhury, Sudhakar Sahoo

arxiv:1506.01544 v1 · 2015-06-04 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGFX4W4QLBAB3AAAJT3NIGAT2P}

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	2026-05-18T01:57:18.576801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a18b7e5b9058401d80004cf6d41813d3dbb7d83ee6b5c20d43c7e159738a786f

Aliases

arxiv: 1506.01544 · arxiv_version: 1506.01544v1 · doi: 10.48550/arxiv.1506.01544 · pith_short_12: UGFX4W4QLBAB · pith_short_16: UGFX4W4QLBAB3AAA · pith_short_8: UGFX4W4Q

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/UGFX4W4QLBAB3AAAJT3NIGAT2P \
  | 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: a18b7e5b9058401d80004cf6d41813d3dbb7d83ee6b5c20d43c7e159738a786f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c8ee72e71f7e3e6be10a429c4096f73937ed96756400461b76e566de861a044",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-06-04T11:01:17Z",
    "title_canon_sha256": "34441fc99a9a3535562c66f7d0ab493d63bcdf98e72571734dbc47eab946df4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01544",
    "kind": "arxiv",
    "version": 1
  }
}