Pith Number

pith:NSROLVEM

pith:2014:NSROLVEMUA4MSVJJ5PHKTNEAXC

not attested not anchored not stored refs pending

Off-grid DOA Estimation Based on Analysis of the Convexity of Maximum Likelihood Function

Liang Liu, Ping Wei

arxiv:1412.6720 v1 · 2014-12-21 · 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{NSROLVEMUA4MSVJJ5PHKTNEAXC}

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	2026-05-18T01:22:41.524311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ca2e5d48ca038c95529ebcea9b480b895a56ac60fbef9ba31b05bfdf9d816e7

Aliases

arxiv: 1412.6720 · arxiv_version: 1412.6720v1 · doi: 10.48550/arxiv.1412.6720 · pith_short_12: NSROLVEMUA4M · pith_short_16: NSROLVEMUA4MSVJJ · pith_short_8: NSROLVEM

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/NSROLVEMUA4MSVJJ5PHKTNEAXC \
  | 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: 6ca2e5d48ca038c95529ebcea9b480b895a56ac60fbef9ba31b05bfdf9d816e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c5eb81d8a51b16396e7f7598009492a44ed2f9e622bffbbde29540272879520",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-12-21T04:00:54Z",
    "title_canon_sha256": "6953f883ba3618459e5ffb0e3bc76ab53855278d9f75529effba7c310c868bed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6720",
    "kind": "arxiv",
    "version": 1
  }
}