Pith Number

pith:R6FCK2MO

pith:2018:R6FCK2MO5PE22VAE7UULUB3SAC

not attested not anchored not stored refs pending

Seven Sketches in Compositionality: An Invitation to Applied Category Theory

Brendan Fong, David I Spivak

arxiv:1803.05316 v3 · 2018-03-14 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6FCK2MO5PE22VAE7UULUB3SAC}

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.

Cited by

3 papers in Pith

On the Power of Foundation Models

A Markov Categorical Framework for Language Modeling

From Mechanistic to Compositional Interpretability

Receipt and verification

First computed	2026-05-18T00:03:29.371683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f8a25698eebc9ad5404fd28ba07720090277e04f847ba8fe763f3aefe571e44

Aliases

arxiv: 1803.05316 · arxiv_version: 1803.05316v3 · doi: 10.48550/arxiv.1803.05316 · pith_short_12: R6FCK2MO5PE2 · pith_short_16: R6FCK2MO5PE22VAE · pith_short_8: R6FCK2MO

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/R6FCK2MO5PE22VAE7UULUB3SAC \
  | 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: 8f8a25698eebc9ad5404fd28ba07720090277e04f847ba8fe763f3aefe571e44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be78da091bb27b777849259a14415e568f21c6f9b14d0f724fedcb26753e486b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-03-14T14:37:48Z",
    "title_canon_sha256": "d4d2daa2aaa39aefd9f8580d8639f2fcef99492ae6d20ef5be16a3e18cb5edb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05316",
    "kind": "arxiv",
    "version": 3
  }
}