Pith Number

pith:A4JETPIV

pith:2016:A4JETPIVMJ6FVUCSIWLLBJR6KJ

not attested not anchored not stored refs pending

Quotient inductive-inductive types

Fredrik Nordvall Forsberg, Gabe Dijkstra, Nicolai Kraus, Paolo Capriotti, Thorsten Altenkirch

arxiv:1612.02346 v2 · 2016-12-07 · 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{A4JETPIVMJ6FVUCSIWLLBJR6KJ}

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	2026-05-18T00:16:39.052779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

071249bd15627c5ad0524596b0a63e5242b8faccbf3ab4178dbf0808a066c130

Aliases

arxiv: 1612.02346 · arxiv_version: 1612.02346v2 · doi: 10.48550/arxiv.1612.02346 · pith_short_12: A4JETPIVMJ6F · pith_short_16: A4JETPIVMJ6FVUCS · pith_short_8: A4JETPIV

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/A4JETPIVMJ6FVUCSIWLLBJR6KJ \
  | 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: 071249bd15627c5ad0524596b0a63e5242b8faccbf3ab4178dbf0808a066c130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72804a90cde0ebf20f1ac6719a818255b8acf14b5e472be175bab2d9b403f85b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-12-07T17:48:13Z",
    "title_canon_sha256": "35fff60cca040466151ffdf240441cc5d128ee78e6ac7bb579774931a875b0dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02346",
    "kind": "arxiv",
    "version": 2
  }
}