Pith Number

pith:NWX5TWCQ

pith:2016:NWX5TWCQ5SOT7L66ZGJMJLPBWO

not attested not anchored not stored refs pending

Notions of Anonymous Existence in Martin-L\"of Type Theory

Mart\'in Escard\'o, Nicolai Kraus, Thierry Coquand, Thorsten Altenkirch

arxiv:1610.03346 v2 · 2016-10-11 · 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{NWX5TWCQ5SOT7L66ZGJMJLPBWO}

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	2026-05-17T23:51:21.795250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dafd9d850ec9d3fafdec992c4ade1b3a26b4ce6bef35b07256e4da3f2db3483

Aliases

arxiv: 1610.03346 · arxiv_version: 1610.03346v2 · doi: 10.48550/arxiv.1610.03346 · pith_short_12: NWX5TWCQ5SOT · pith_short_16: NWX5TWCQ5SOT7L66 · pith_short_8: NWX5TWCQ

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/NWX5TWCQ5SOT7L66ZGJMJLPBWO \
  | 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: 6dafd9d850ec9d3fafdec992c4ade1b3a26b4ce6bef35b07256e4da3f2db3483

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f5cc0d803392fe6aa39115b53ec272793fbb6e346a2b5fcef21c7760b8ab0ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-10-11T14:06:24Z",
    "title_canon_sha256": "9b5369b4b5ba3cbfff51de45ec49f367e2a1121fd19366678f5d2dc17de87335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03346",
    "kind": "arxiv",
    "version": 2
  }
}