Pith Number

pith:PYAST263

pith:2018:PYAST263Z4EQKABRC5HK77GFGT

not attested not anchored not stored refs pending

A Polynomial Kernel for Diamond-Free Editing

Ashutosh Rai, Junjie Ye, R. B. Sandeep, Yixin Cao

arxiv:1803.03358 v2 · 2018-03-09 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYAST263Z4EQKABRC5HK77GFGT}

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	2026-05-18T00:16:55.538924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e0129ebdbcf09050031174eaffcc534cbb34e1c9aa669193a6dfd4252dfba35

Aliases

arxiv: 1803.03358 · arxiv_version: 1803.03358v2 · doi: 10.48550/arxiv.1803.03358 · pith_short_12: PYAST263Z4EQ · pith_short_16: PYAST263Z4EQKABR · pith_short_8: PYAST263

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/PYAST263Z4EQKABRC5HK77GFGT \
  | 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: 7e0129ebdbcf09050031174eaffcc534cbb34e1c9aa669193a6dfd4252dfba35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3901d1449e33babc9355fc93fdea3b2342a71863ddfb59a1fc2f38986cd59519",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-03-09T02:31:16Z",
    "title_canon_sha256": "70c45304a397fde4ebb4bfd9f1e797b793925821c386c60b2fb07567d5b446b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03358",
    "kind": "arxiv",
    "version": 2
  }
}