Pith Number

pith:MUHWCO2G

pith:2011:MUHWCO2GOZ6UBZTYOSX7DYSEPW

not attested not anchored not stored refs pending

The AWGN Red Alert Problem

Bobak Nazer, Stark C. Draper, Yanina Shkel

arxiv:1102.4411 v3 · 2011-02-22 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MUHWCO2GOZ6UBZTYOSX7DYSEPW}

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	2026-05-18T00:57:57.455222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

650f613b46767d40e67874aff1e2447da272cb5873bef0dd23a3062efa20f0a6

Aliases

arxiv: 1102.4411 · arxiv_version: 1102.4411v3 · doi: 10.48550/arxiv.1102.4411 · pith_short_12: MUHWCO2GOZ6U · pith_short_16: MUHWCO2GOZ6UBZTY · pith_short_8: MUHWCO2G

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/MUHWCO2GOZ6UBZTYOSX7DYSEPW \
  | 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: 650f613b46767d40e67874aff1e2447da272cb5873bef0dd23a3062efa20f0a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a57e0c304983f867a4aefc62cba2956085fc12132b5f4503f995ff75f07b35a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-02-22T05:16:26Z",
    "title_canon_sha256": "81fe98d3d64715fbd91493d8e60c30077cb3152a7db1765c96c3237b02126796"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4411",
    "kind": "arxiv",
    "version": 3
  }
}