Pith Number

pith:7VAD5ANC

pith:2011:7VAD5ANCL6LXX2L7RLHTQYO7M6

not attested not anchored not stored refs pending

Computing the Matched Filter in Linear Time

Akbar Sayeed, Alexander Fish, Oded Schwartz, Ronny Hadani, Shamgar Gurevich

arxiv:1112.4883 v1 · 2011-12-20 · 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{7VAD5ANCL6LXX2L7RLHTQYO7M6}

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	2026-05-18T04:05:56.988018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd403e81a25f977be97f8acf3861df67b907d0a04d463c20adaa6e8585a588a4

Aliases

arxiv: 1112.4883 · arxiv_version: 1112.4883v1 · doi: 10.48550/arxiv.1112.4883 · pith_short_12: 7VAD5ANCL6LX · pith_short_16: 7VAD5ANCL6LXX2L7 · pith_short_8: 7VAD5ANC

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/7VAD5ANCL6LXX2L7RLHTQYO7M6 \
  | 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: fd403e81a25f977be97f8acf3861df67b907d0a04d463c20adaa6e8585a588a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22d05dbecdc197c4ffcc17f431a894b15664fb11f05d56fe6486ecb59bac6569",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-12-20T23:28:18Z",
    "title_canon_sha256": "90460c4bbfd902292ec758fdc79f8c867524bc42249d5a7779f888141e2968e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4883",
    "kind": "arxiv",
    "version": 1
  }
}