Pith Number

pith:O77O22SY

pith:2015:O77O22SY3DZVAVGIQTXFX3QSXT

not attested not anchored not stored refs pending

Ordered Decompositional DAG Kernels Enhancements

Alessandro Sperduti, Giovanni Da San Martino, Nicol\`o Navarin

arxiv:1507.03372 v2 · 2015-07-13 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O77O22SY3DZVAVGIQTXFX3QSXT}

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	2026-05-18T01:10:45.942946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77feed6a58d8f35054c884ee5bee12bcd67353c81510bf165a236e62a8bbc244

Aliases

arxiv: 1507.03372 · arxiv_version: 1507.03372v2 · doi: 10.48550/arxiv.1507.03372 · pith_short_12: O77O22SY3DZV · pith_short_16: O77O22SY3DZVAVGI · pith_short_8: O77O22SY

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/O77O22SY3DZVAVGIQTXFX3QSXT \
  | 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: 77feed6a58d8f35054c884ee5bee12bcd67353c81510bf165a236e62a8bbc244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2b875dd36f52b3c3e06f580ae24a57b68d49e0fb93ea50290e948274675dd12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-07-13T09:50:41Z",
    "title_canon_sha256": "3143cbab0593d075555ae2db6aa9cfe6e95259177e77e58a7e352bde6a90af29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03372",
    "kind": "arxiv",
    "version": 2
  }
}