Pith Number

pith:FPVI2XZU

pith:2019:FPVI2XZU43EFZ6HWBL5MAABJR7

not attested not anchored not stored refs pending

Proceedings ML Family / OCaml Users and Developers workshops

Gabriel Scherer, Sam Lindley

arxiv:1905.05909 v1 · 2019-05-15 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPVI2XZU43EFZ6HWBL5MAABJR7}

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	2026-05-17T23:46:08.127487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bea8d5f34e6c85cf8f60afac000298fd2869e0da6366d1432ec9bcf2aab0d3d

Aliases

arxiv: 1905.05909 · arxiv_version: 1905.05909v1 · doi: 10.48550/arxiv.1905.05909 · pith_short_12: FPVI2XZU43EF · pith_short_16: FPVI2XZU43EFZ6HW · pith_short_8: FPVI2XZU

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/FPVI2XZU43EFZ6HWBL5MAABJR7 \
  | 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: 2bea8d5f34e6c85cf8f60afac000298fd2869e0da6366d1432ec9bcf2aab0d3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03f85169a69c68812105806d6688a7aa2c581e8133f1d3bcb1973f4eb0843c00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-05-15T01:30:27Z",
    "title_canon_sha256": "1b16ba26dc99d109b6e28d5c2d02c93f06b15a060daf6c64ffee0272a3074bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05909",
    "kind": "arxiv",
    "version": 1
  }
}