Pith Number

pith:OUUV5YTL

pith:2015:OUUV5YTLRZBMTXEUHWYGZOM6JS

not attested not anchored not stored refs pending

Elaboration in Dependent Type Theory

Cody Roux, Jeremy Avigad, Leonardo de Moura, Soonho Kong

arxiv:1505.04324 v2 · 2015-05-16 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUUV5YTLRZBMTXEUHWYGZOM6JS}

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	2026-05-18T01:24:10.794665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75295ee26b8e42c9dc943db06cb99e4cb60716e13c9a11041d6207a1d819d049

Aliases

arxiv: 1505.04324 · arxiv_version: 1505.04324v2 · doi: 10.48550/arxiv.1505.04324 · pith_short_12: OUUV5YTLRZBM · pith_short_16: OUUV5YTLRZBMTXEU · pith_short_8: OUUV5YTL

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/OUUV5YTLRZBMTXEUHWYGZOM6JS \
  | 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: 75295ee26b8e42c9dc943db06cb99e4cb60716e13c9a11041d6207a1d819d049

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e02c2b52c05b711cdf6fc9eeca1ce13aac7ec1ef6d6f398e90826b654ede0c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-05-16T20:32:28Z",
    "title_canon_sha256": "bf9d7d3c72dd4199a1376789e6acbdb553f56fc9dff7f1c8583c4f206915d508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04324",
    "kind": "arxiv",
    "version": 2
  }
}