Pith Number

pith:Y5I5OBOJ

pith:2008:Y5I5OBOJWU7ZKIB3ZZYOWHOSMI

not attested not anchored not stored refs pending

The Design of Compressive Sensing Filter

Fang Li, Lianlin Li, wenji zhang, Yin Xiang

arxiv:0811.2637 v1 · 2008-11-17 · cs.CE · 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{Y5I5OBOJWU7ZKIB3ZZYOWHOSMI}

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	2026-07-04T15:16:08.663782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c751d705c9b53f95203bce70eb1dd2623baaf0d1a3b1d3435ae01dd2b3745039

Aliases

arxiv: 0811.2637 · arxiv_version: 0811.2637v1 · doi: 10.48550/arxiv.0811.2637 · pith_short_12: Y5I5OBOJWU7Z · pith_short_16: Y5I5OBOJWU7ZKIB3 · pith_short_8: Y5I5OBOJ

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/Y5I5OBOJWU7ZKIB3ZZYOWHOSMI \
  | 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: c751d705c9b53f95203bce70eb1dd2623baaf0d1a3b1d3435ae01dd2b3745039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "034bbc0fcf1eaa18fb2f32529da560c06f258c4859b075f7cfd8454df79e6344",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2008-11-17T08:33:49Z",
    "title_canon_sha256": "e2ed1b5abc0dcd9f1cc7a60ec0c90a09100ca9357cea82a4e1f976ea9c1ce414"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2637",
    "kind": "arxiv",
    "version": 1
  }
}