Pith Number

pith:4RQ2T3JV

pith:2015:4RQ2T3JVO267RGTGXONTECQHQ6

not attested not anchored not stored refs pending

Approximation Algorithms for Reducing the Spectral Radius to Control Epidemic Spread

Abhijin Adiga, Anil Kumar S. Vullikanti, B. Aditya Prakash, Sudip Saha

arxiv:1501.06614 v1 · 2015-01-26 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RQ2T3JVO267RGTGXONTECQHQ6}

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	2026-05-18T02:28:39.501796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e461a9ed3576bdf89a66bb9b320a0787bee09005098965c025ba94b3ea99d1b0

Aliases

arxiv: 1501.06614 · arxiv_version: 1501.06614v1 · doi: 10.48550/arxiv.1501.06614 · pith_short_12: 4RQ2T3JVO267 · pith_short_16: 4RQ2T3JVO267RGTG · pith_short_8: 4RQ2T3JV

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/4RQ2T3JVO267RGTGXONTECQHQ6 \
  | 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: e461a9ed3576bdf89a66bb9b320a0787bee09005098965c025ba94b3ea99d1b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfefe18cec5dd2dee9cbafcd052b7560a4d8a9e5e8b884e1cb6a9287a3ef9f86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-01-26T22:38:39Z",
    "title_canon_sha256": "4cb3386fe9293478be9325d64341336f34071327daff9d79d6495e8e82dd6c36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06614",
    "kind": "arxiv",
    "version": 1
  }
}