Pith Number

pith:BGENWE3M

pith:2014:BGENWE3MS7T2HBV5OQH6SOX4ER

not attested not anchored not stored refs pending

Nested Sparse Approximation: Structured Estimation of V2V Channels Using Geometry-Based Stochastic Channel Model

Erik G. Str\"om, Sajjad Beygi, Urbashi Mitra

arxiv:1412.2999 v2 · 2014-12-09 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BGENWE3MS7T2HBV5OQH6SOX4ER}

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	2026-05-18T01:29:04.383817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0988db136c97e7a386bd740fe93afc247ea23d7f3cb3709b9c19dcd0d7f2401d

Aliases

arxiv: 1412.2999 · arxiv_version: 1412.2999v2 · doi: 10.48550/arxiv.1412.2999 · pith_short_12: BGENWE3MS7T2 · pith_short_16: BGENWE3MS7T2HBV5 · pith_short_8: BGENWE3M

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/BGENWE3MS7T2HBV5OQH6SOX4ER \
  | 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: 0988db136c97e7a386bd740fe93afc247ea23d7f3cb3709b9c19dcd0d7f2401d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76eb7e39335cef364c58994c56c063db3269852ad4c23d985050bef8f4e192d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-12-09T15:37:59Z",
    "title_canon_sha256": "21606862bc796a9668f02b8a03449998dfd9295ff26ba5a513916c012dd5f9e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2999",
    "kind": "arxiv",
    "version": 2
  }
}