Pith Number

pith:YCD7UUPN

pith:2017:YCD7UUPNBA4ADG2G4ELPTOW35S

not attested not anchored not stored refs pending

New Tools and Connections for Exponential-time Approximation

Bundit Laekhanukit, Danupon Nanongkai, Jesper Nederlof, Nikhil Bansal, Parinya Chalermsook

arxiv:1708.03515 v1 · 2017-08-11 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YCD7UUPNBA4ADG2G4ELPTOW35S}

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	2026-05-18T00:38:12.480718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c087fa51ed0838019b46e116f9badbec98fb14734ad593758b323b1f05997caa

Aliases

arxiv: 1708.03515 · arxiv_version: 1708.03515v1 · doi: 10.48550/arxiv.1708.03515 · pith_short_12: YCD7UUPNBA4A · pith_short_16: YCD7UUPNBA4ADG2G · pith_short_8: YCD7UUPN

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/YCD7UUPNBA4ADG2G4ELPTOW35S \
  | 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: c087fa51ed0838019b46e116f9badbec98fb14734ad593758b323b1f05997caa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8740b89c620bfddadd2d2548bb5dd54130a12f250b8b399c06d4756bd5211fd2",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-11T12:16:47Z",
    "title_canon_sha256": "db4389e414728849ce450e75207a60f44bdfe140cc1dde7d66c919d46a6bb1bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03515",
    "kind": "arxiv",
    "version": 1
  }
}