Pith Number

pith:QHHDX4HN

pith:2012:QHHDX4HN7EOU5BIM3KRMZMWFZT

not attested not anchored not stored refs pending

Progressive Gaussian Filtering

Jannik Steinbring, Uwe D. Hanebeck

arxiv:1204.0133 v1 · 2012-03-31 · cs.SY · cs.IT · cs.RO · 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{QHHDX4HN7EOU5BIM3KRMZMWFZT}

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	2026-05-18T03:58:50.278566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ce3bf0edf91d4e850cdaa2ccb2c5ccdc6aa04505ff1822a4832561059264a5

Aliases

arxiv: 1204.0133 · arxiv_version: 1204.0133v1 · doi: 10.48550/arxiv.1204.0133 · pith_short_12: QHHDX4HN7EOU · pith_short_16: QHHDX4HN7EOU5BIM · pith_short_8: QHHDX4HN

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/QHHDX4HN7EOU5BIM3KRMZMWFZT \
  | 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: 81ce3bf0edf91d4e850cdaa2ccb2c5ccdc6aa04505ff1822a4832561059264a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cbb618e0b6b6b1b383d750d9f67e0af42393c1f452a505a30b7e4d033a7c3c7",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.RO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2012-03-31T20:44:36Z",
    "title_canon_sha256": "6f5f868f47d95285856edbf80b0486fc472a00edfeca2b804c43e63134b2e4c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0133",
    "kind": "arxiv",
    "version": 1
  }
}