Pith Number

pith:ZCBGLJHL

pith:2017:ZCBGLJHLV4NMYXVS6FW5NMIUT7

not attested not anchored not stored refs pending

Improved Algorithms for MST and Metric-TSP Interdiction

Andr\'e Linhares, Chaitanya Swamy

arxiv:1706.00034 v1 · 2017-05-31 · 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{ZCBGLJHLV4NMYXVS6FW5NMIUT7}

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	2026-05-18T00:43:15.285301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c88265a4ebaf1acc5eb2f16dd6b1149ffd77a62ca0c069c2be0fbf8c02412f28

Aliases

arxiv: 1706.00034 · arxiv_version: 1706.00034v1 · doi: 10.48550/arxiv.1706.00034 · pith_short_12: ZCBGLJHLV4NM · pith_short_16: ZCBGLJHLV4NMYXVS · pith_short_8: ZCBGLJHL

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/ZCBGLJHLV4NMYXVS6FW5NMIUT7 \
  | 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: c88265a4ebaf1acc5eb2f16dd6b1149ffd77a62ca0c069c2be0fbf8c02412f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4518f604e5bbcbe3e3015b4bd7f3b80e21315bf651c6238ed7ab4d9025414ca9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-05-31T18:13:16Z",
    "title_canon_sha256": "1ccd0be0c40aabf1d377908b0a8aa18c43403ad2967d676a51812a4286c82e38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00034",
    "kind": "arxiv",
    "version": 1
  }
}