Pith Number

pith:NAFNIDFX

pith:2015:NAFNIDFXBSRGOYDG42OIW7VYTY

not attested not anchored not stored refs pending

A simplified 1.5-approximation algorithm for augmenting edge-connectivity of a graph from 1 to 2

Guy Kortsarz, Zeev Nutov

arxiv:1507.02799 v1 · 2015-07-10 · 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{NAFNIDFXBSRGOYDG42OIW7VYTY}

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	2026-05-18T01:37:03.187270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

680ad40cb70ca2676066e69c8b7eb89e07929238e0956e94bcf18b4159ee1197

Aliases

arxiv: 1507.02799 · arxiv_version: 1507.02799v1 · doi: 10.48550/arxiv.1507.02799 · pith_short_12: NAFNIDFXBSRG · pith_short_16: NAFNIDFXBSRGOYDG · pith_short_8: NAFNIDFX

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/NAFNIDFXBSRGOYDG42OIW7VYTY \
  | 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: 680ad40cb70ca2676066e69c8b7eb89e07929238e0956e94bcf18b4159ee1197

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "690ef3c648438260182b9df9c9ffdc91c4c0f552c231c2f983b2786d0189ab4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-07-10T08:10:40Z",
    "title_canon_sha256": "6c474e1420436709d1382dd94470fb71db5038aa22f9a893cef16799942bd143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02799",
    "kind": "arxiv",
    "version": 1
  }
}