Pith Number

pith:A4POWCQ5

pith:2013:A4POWCQ5XTDG2PZYXFS6GQTCJE

not attested not anchored not stored refs pending

Approximating {0,1,2}-Survivable Networks with Minimum Number of Steiner Points

Nachshon Cohen, Zeev Nutov

arxiv:1304.7571 v1 · 2013-04-29 · 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{A4POWCQ5XTDG2PZYXFS6GQTCJE}

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	2026-05-18T03:26:53.635293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

071eeb0a1dbcc66d3f38b965e34262491ca34b9293b613b35d4cb358fc28b002

Aliases

arxiv: 1304.7571 · arxiv_version: 1304.7571v1 · doi: 10.48550/arxiv.1304.7571 · pith_short_12: A4POWCQ5XTDG · pith_short_16: A4POWCQ5XTDG2PZY · pith_short_8: A4POWCQ5

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/A4POWCQ5XTDG2PZYXFS6GQTCJE \
  | 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: 071eeb0a1dbcc66d3f38b965e34262491ca34b9293b613b35d4cb358fc28b002

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fe631800dbebe02bf11249e47d77e542dbcbd07a8596d9225a4aa3975feb1b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-29T06:35:44Z",
    "title_canon_sha256": "e8fc0b09f25b5e29f5f95f45053edf5f1b35b42aa82054505f1b4f89f2158fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7571",
    "kind": "arxiv",
    "version": 1
  }
}