Pith Number

pith:7I5M4XG2

pith:2012:7I5M4XG2YEXHIDMF3LVJ42NRV2

not attested not anchored not stored refs pending

Spatial Whitening Framework for Distributed Estimation

Hao Chen, Pramod K. Varshney, Swarnendu Kar

arxiv:1205.6925 v1 · 2012-05-31 · 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{7I5M4XG2YEXHIDMF3LVJ42NRV2}

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	2026-05-18T03:54:36.579042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa3ace5cdac12e740d85daea9e69b1ae95466851b46a1d08d2d5e661a5539eb7

Aliases

arxiv: 1205.6925 · arxiv_version: 1205.6925v1 · doi: 10.48550/arxiv.1205.6925 · pith_short_12: 7I5M4XG2YEXH · pith_short_16: 7I5M4XG2YEXHIDMF · pith_short_8: 7I5M4XG2

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/7I5M4XG2YEXHIDMF3LVJ42NRV2 \
  | 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: fa3ace5cdac12e740d85daea9e69b1ae95466851b46a1d08d2d5e661a5539eb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb403f419f049a500b1d67429daf8f2ad76e2e5307d41ef707d71073239054d9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-31T09:06:06Z",
    "title_canon_sha256": "1d8e27a63f3ec13072ce355050d26908d10b67ab936e5d66c93d768ce064c75a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6925",
    "kind": "arxiv",
    "version": 1
  }
}