Pith Number

pith:6ZE3PYRA

pith:2011:6ZE3PYRA7NMEU3YOYL7OFJA26Q

not attested not anchored not stored refs pending

Efficient Sum-Based Hierarchical Smoothing Under \ell_1-Norm

Hyun Chul Lee, Joel Oren, Siavosh Benabbas, Yuli Ye

arxiv:1108.1751 v1 · 2011-08-08 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZE3PYRA7NMEU3YOYL7OFJA26Q}

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	2026-05-18T04:16:00.208721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f649b7e220fb584a6f0ec2fee2a41af40cd675e044f9b9956b4b3093ace5b8c7

Aliases

arxiv: 1108.1751 · arxiv_version: 1108.1751v1 · doi: 10.48550/arxiv.1108.1751 · pith_short_12: 6ZE3PYRA7NME · pith_short_16: 6ZE3PYRA7NMEU3YO · pith_short_8: 6ZE3PYRA

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/6ZE3PYRA7NMEU3YOYL7OFJA26Q \
  | 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: f649b7e220fb584a6f0ec2fee2a41af40cd675e044f9b9956b4b3093ace5b8c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb55eef1b2f3b5f126fe86d7c36ec3d9f9d92bca00c92ac4b61e416b32cc616c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-08-08T17:07:06Z",
    "title_canon_sha256": "d5c7f0fa081c64aa8cffc62827eabc4009d21afcf329bb72346f009ffafaf64b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1751",
    "kind": "arxiv",
    "version": 1
  }
}