Pith Number

pith:MAROYABR

pith:2010:MAROYABRVB7U5JAK76LICX2FYF

not attested not anchored not stored refs pending

Optimal Lower Bounds for Universal and Differentially Private Steiner Tree and TSP

Anand Bhalgat, Deeparnab Chakrabarty, Sanjeev Khanna

arxiv:1011.3770 v2 · 2010-11-16 · 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{MAROYABRVB7U5JAK76LICX2FYF}

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	2026-05-18T04:35:47.492559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6022ec0031a87f4ea40aff96815f45c15d36a4c9ff169c248682421638c9fc40

Aliases

arxiv: 1011.3770 · arxiv_version: 1011.3770v2 · doi: 10.48550/arxiv.1011.3770 · pith_short_12: MAROYABRVB7U · pith_short_16: MAROYABRVB7U5JAK · pith_short_8: MAROYABR

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/MAROYABRVB7U5JAK76LICX2FYF \
  | 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: 6022ec0031a87f4ea40aff96815f45c15d36a4c9ff169c248682421638c9fc40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d4b5d9a1384467346a04946f4293f01f9dbeb4dbf80fe68f2aaa21598db894",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-11-16T17:49:27Z",
    "title_canon_sha256": "18deeb310c52a3ab319ccfda7df59271898ddaddcb200fee94570f381b9f3aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3770",
    "kind": "arxiv",
    "version": 2
  }
}