Pith Number

pith:CZNZ7J55

pith:2017:CZNZ7J55MZH4P2G53UKAYVFNNF

not attested not anchored not stored refs pending

A Note on the Inapproximability of Induced Disjoint Paths

Gaoxiu Dong, Weidong Chen

arxiv:1703.04300 v1 · 2017-03-13 · 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{CZNZ7J55MZH4P2G53UKAYVFNNF}

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	2026-05-18T00:48:49.185809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

165b9fa7bd664fc7e8dddd140c54ad6972d751a922c0804057d6e32ba839073e

Aliases

arxiv: 1703.04300 · arxiv_version: 1703.04300v1 · doi: 10.48550/arxiv.1703.04300 · pith_short_12: CZNZ7J55MZH4 · pith_short_16: CZNZ7J55MZH4P2G5 · pith_short_8: CZNZ7J55

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/CZNZ7J55MZH4P2G53UKAYVFNNF \
  | 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: 165b9fa7bd664fc7e8dddd140c54ad6972d751a922c0804057d6e32ba839073e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15ac3a6925d55a459e96fd265570a3cf4dcbcde45a10847a86c420b7d7252373",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-03-13T09:26:05Z",
    "title_canon_sha256": "bc55311a4944222191127d8fa47042caf0e4ec5e418ddd24bc30e1143d98c1e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04300",
    "kind": "arxiv",
    "version": 1
  }
}