Pith Number

pith:FND4RTSP

pith:2015:FND4RTSPNQSY3TNSSHS6LXT2MA

not attested not anchored not stored refs pending

A Tight Algorithm for Strongly Connected Steiner Subgraph On Two Terminals With Demands

Guy Kortsarz, Hossein Esfandiari, MohammadTaghi Hajiaghayi, Rajesh Chitnis, Rohit Khandekar, Saeed Seddighin

arxiv:1506.03760 v2 · 2015-06-11 · cs.DS · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FND4RTSPNQSY3TNSSHS6LXT2MA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:17:37.465609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b47c8ce4f6c258dcdb291e5e5de7a602c1de936907856ee308867071da1a756

Aliases

arxiv: 1506.03760 · arxiv_version: 1506.03760v2 · doi: 10.48550/arxiv.1506.03760 · pith_short_12: FND4RTSPNQSY · pith_short_16: FND4RTSPNQSY3TNS · pith_short_8: FND4RTSP

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/FND4RTSPNQSY3TNSSHS6LXT2MA \
  | 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: 2b47c8ce4f6c258dcdb291e5e5de7a602c1de936907856ee308867071da1a756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d7745db232d890bd39c4cdb93212918168a2c9dde3827ab7886d03e2d08cf89",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-06-11T18:06:42Z",
    "title_canon_sha256": "54c584dfa4e98280cbad6c22ad8f26cbed2367bc51d01d78dc4c09aee3ad0e62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03760",
    "kind": "arxiv",
    "version": 2
  }
}