Pith Number

pith:T6S3TTYL

pith:2018:T6S3TTYL6EJCOOYOY75NUQWH4X

not attested not anchored not stored refs pending

Towards Functorial Language-Games

Jules Hedges (University of Oxford), Martha Lewis (ILLC, University of Amsterdam)

arxiv:1807.07828 v2 · 2018-07-20 · cs.LO · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6S3TTYL6EJCOOYOY75NUQWH4X}

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	2026-05-18T00:01:19.359263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fa5b9cf0bf112273b0ec7fada42c7e5cd7d76629118373c7716a2c7ffbd892c

Aliases

arxiv: 1807.07828 · arxiv_version: 1807.07828v2 · doi: 10.48550/arxiv.1807.07828 · pith_short_12: T6S3TTYL6EJC · pith_short_16: T6S3TTYL6EJCOOYO · pith_short_8: T6S3TTYL

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/T6S3TTYL6EJCOOYOY75NUQWH4X \
  | 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: 9fa5b9cf0bf112273b0ec7fada42c7e5cd7d76629118373c7716a2c7ffbd892c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34e38e22995ea197c045df3349c9ce6d644d91cca08c14a28c69a595a848e938",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-07-20T13:18:15Z",
    "title_canon_sha256": "f7b14fa445bace7e9cdb90429568e2700239cde637e4e7ca3b3757eebb517140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07828",
    "kind": "arxiv",
    "version": 2
  }
}