Pith Number

pith:SH7OJNZ6

pith:2016:SH7OJNZ67NSQQOWDVFMDSBITLA

not attested not anchored not stored refs pending

Learning with Value-Ramp

Jan Van den Bussche, Tom J. Ameloot

arxiv:1608.03647 v2 · 2016-08-12 · 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{SH7OJNZ67NSQQOWDVFMDSBITLA}

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	2026-05-18T00:45:58.688259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91fee4b73efb65083ac3a958390513581afe5fb27357aac1289ec222ff31c292

Aliases

arxiv: 1608.03647 · arxiv_version: 1608.03647v2 · doi: 10.48550/arxiv.1608.03647 · pith_short_12: SH7OJNZ67NSQ · pith_short_16: SH7OJNZ67NSQQOWD · pith_short_8: SH7OJNZ6

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/SH7OJNZ67NSQQOWDVFMDSBITLA \
  | 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: 91fee4b73efb65083ac3a958390513581afe5fb27357aac1289ec222ff31c292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39fb49f92c02de5ee597b5e54a4a01586bc0c9f56b922ed1797334bf80c8b391",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-08-12T07:24:57Z",
    "title_canon_sha256": "efeb7590299afe8653c8bef2795dc958bb6a4259e58e6795a37e27cc05cdaf96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03647",
    "kind": "arxiv",
    "version": 2
  }
}