Pith Number

pith:I55LM5JU

pith:2017:I55LM5JUBS2RRL2KOSU7AIJN65

not attested not anchored not stored refs pending

Spectrum Estimation from a Few Entries

Ashish Khetan, Sewoong Oh

arxiv:1703.06327 v1 · 2017-03-18 · stat.ML · cs.DS · cs.LG · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I55LM5JUBS2RRL2KOSU7AIJN65}

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	2026-05-18T00:48:23.246901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

477ab675340cb518af4a74a9f0212df77317d78c54e3d82b382e63206d0351d1

Aliases

arxiv: 1703.06327 · arxiv_version: 1703.06327v1 · doi: 10.48550/arxiv.1703.06327 · pith_short_12: I55LM5JUBS2R · pith_short_16: I55LM5JUBS2RRL2K · pith_short_8: I55LM5JU

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/I55LM5JUBS2RRL2KOSU7AIJN65 \
  | 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: 477ab675340cb518af4a74a9f0212df77317d78c54e3d82b382e63206d0351d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5ca856d3d19231fba40a222ca4b81d79ea3d86d746b2135c3cc099a8566b815",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-03-18T18:12:17Z",
    "title_canon_sha256": "1a638207022332de78ed733433edc2883926a2711253a0bcad012dbebeb49795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06327",
    "kind": "arxiv",
    "version": 1
  }
}