Pith Number

pith:2STYCFYZ

pith:2015:2STYCFYZCK64CIBONKNJ4FGV7D

not attested not anchored not stored refs pending

Thinking Required

Kamil Rocki

arxiv:1512.01926 v1 · 2015-12-07 · cs.LG · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2STYCFYZCK64CIBONKNJ4FGV7D}

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	2026-05-18T01:25:09.997299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4a781171912bdc1202e6a9a9e14d5f8eab46432d7047935e187505d5c423dd6

Aliases

arxiv: 1512.01926 · arxiv_version: 1512.01926v1 · doi: 10.48550/arxiv.1512.01926 · pith_short_12: 2STYCFYZCK64 · pith_short_16: 2STYCFYZCK64CIBO · pith_short_8: 2STYCFYZ

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/2STYCFYZCK64CIBONKNJ4FGV7D \
  | 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: d4a781171912bdc1202e6a9a9e14d5f8eab46432d7047935e187505d5c423dd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05f36e34840781c5eee3270ddadc2ab65d5b28c2fae1ebcce9ce30fc714e9512",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-12-07T06:37:49Z",
    "title_canon_sha256": "74da55684f76e1d8ae469473cdca999ff7a1a8ae3aae655bcfca6795797515e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01926",
    "kind": "arxiv",
    "version": 1
  }
}