Pith Number

pith:XKHOPS2O

pith:2016:XKHOPS2OH4ZQ53NHSGGPMI33NE

not attested not anchored not stored refs pending

Lossy Kernelization

Daniel Lokshtanov, Fahad Panolan, M. S. Ramanujan, Saket Saurabh

arxiv:1604.04111 v2 · 2016-04-14 · 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{XKHOPS2OH4ZQ53NHSGGPMI33NE}

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	2026-05-18T01:00:12.428688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba8ee7cb4e3f330eeda7918cf6237b693d344ff0fd6a4384f87625f8bab648ff

Aliases

arxiv: 1604.04111 · arxiv_version: 1604.04111v2 · doi: 10.48550/arxiv.1604.04111 · pith_short_12: XKHOPS2OH4ZQ · pith_short_16: XKHOPS2OH4ZQ53NH · pith_short_8: XKHOPS2O

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/XKHOPS2OH4ZQ53NHSGGPMI33NE \
  | 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: ba8ee7cb4e3f330eeda7918cf6237b693d344ff0fd6a4384f87625f8bab648ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4092e129681e7aaf511731d326ab9350df98e813b148030aa4e8f8337da15366",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-04-14T11:08:54Z",
    "title_canon_sha256": "c5ed606b49ec02210852e3fd9be15a0a9a5e9a69378651c7c89fc8234239dd22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04111",
    "kind": "arxiv",
    "version": 2
  }
}