Pith Number

pith:YFLPUHIV

pith:2010:YFLPUHIVKEUD5AYVPN46S2QWJO

not attested not anchored not stored refs pending

Approximation Algorithms for Optimal Decision Trees and Adaptive TSP Problems

Anupam Gupta, R. Ravi, Viswanath Nagarajan

arxiv:1003.0722 v3 · 2010-03-03 · 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{YFLPUHIVKEUD5AYVPN46S2QWJO}

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	2026-05-18T00:46:02.974688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c156fa1d1551283e83157b79e96a164badb6a05a4f4c5275a94c61e0f72d6960

Aliases

arxiv: 1003.0722 · arxiv_version: 1003.0722v3 · doi: 10.48550/arxiv.1003.0722 · pith_short_12: YFLPUHIVKEUD · pith_short_16: YFLPUHIVKEUD5AYV · pith_short_8: YFLPUHIV

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/YFLPUHIVKEUD5AYVPN46S2QWJO \
  | 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: c156fa1d1551283e83157b79e96a164badb6a05a4f4c5275a94c61e0f72d6960

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df7264f9e63670ea46ea4f5252169eff47c97cd4aceccbcb6290cf5cc4a40ffe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-03-03T03:58:29Z",
    "title_canon_sha256": "1f0a05a47cee51368227094f2f57f43deb1aa1cd6daf088d4d6d34947d0d67fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0722",
    "kind": "arxiv",
    "version": 3
  }
}