Pith Number

pith:Y37AR5IQ

pith:2018:Y37AR5IQDBD7E3OANJRMELD4CH

not attested not anchored not stored refs pending

Univalent polymorphism

Benno van den Berg

arxiv:1803.10113 v2 · 2018-03-27 · math.CT · cs.LO · math.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{Y37AR5IQDBD7E3OANJRMELD4CH}

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	2026-05-18T00:09:09.447961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6fe08f5101847f26dc06a62c22c7c11e0766e4cbfdc0b608cc0e39b471e6755

Aliases

arxiv: 1803.10113 · arxiv_version: 1803.10113v2 · doi: 10.48550/arxiv.1803.10113 · pith_short_12: Y37AR5IQDBD7 · pith_short_16: Y37AR5IQDBD7E3OA · pith_short_8: Y37AR5IQ

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/Y37AR5IQDBD7E3OANJRMELD4CH \
  | 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: c6fe08f5101847f26dc06a62c22c7c11e0766e4cbfdc0b608cc0e39b471e6755

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df6cf99079b68f272e3aa9ea62a90194cbc85dbd843a2855543ca997f96e8cdf",
    "cross_cats_sorted": [
      "cs.LO",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-03-27T14:43:40Z",
    "title_canon_sha256": "7f7d4eefd6f25772e699c22c33e87d536880034b6d11b652da17db9ee0ac994b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10113",
    "kind": "arxiv",
    "version": 2
  }
}