Pith Number

pith:4FZ3OUDQ

pith:2013:4FZ3OUDQFP2YBXVJ6MMUD5UE3O

not attested not anchored not stored refs pending

Optimal competitiveness for Symmetric Rectilinear Steiner Arborescence and related problems

Erez Kantor, Shay Kutten

arxiv:1307.3080 v1 · 2013-07-11 · cs.DC · 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{4FZ3OUDQFP2YBXVJ6MMUD5UE3O}

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	2026-05-18T03:18:41.289687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e173b750702bf580dea9f31941f684dba87af0a155bb92b4c8f233cd6f885b6d

Aliases

arxiv: 1307.3080 · arxiv_version: 1307.3080v1 · doi: 10.48550/arxiv.1307.3080 · pith_short_12: 4FZ3OUDQFP2Y · pith_short_16: 4FZ3OUDQFP2YBXVJ · pith_short_8: 4FZ3OUDQ

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/4FZ3OUDQFP2YBXVJ6MMUD5UE3O \
  | 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: e173b750702bf580dea9f31941f684dba87af0a155bb92b4c8f233cd6f885b6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c71239e7bd73563bb0cc2f477dbe20f89b13eb3b361bf3051d3d5cb591fdc724",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-07-11T12:02:18Z",
    "title_canon_sha256": "05e794049cabf91a7401bbf19ab7c3598e1b04a85e9bc75ca50323c028f81158"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3080",
    "kind": "arxiv",
    "version": 1
  }
}