Pith Number

pith:STOW756Y

pith:2021:STOW756Y2MI2ODW2BPAANZNK5O

not attested not anchored not stored refs pending

Compositionality as we see it, everywhere around us

Bob Coecke

arxiv:2110.05327 v2 · 2021-10-11 · math.CT · cs.AI · cs.LO · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STOW756Y2MI2ODW2BPAANZNK5O}

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

1 paper in Pith

From Mechanistic to Compositional Interpretability

Receipt and verification

First computed	2026-07-05T03:25:17.806790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94dd6ff7d8d311a70eda0bc006e5aaeba58cf8333f3c41dd272d91c9488e567f

Aliases

arxiv: 2110.05327 · arxiv_version: 2110.05327v2 · doi: 10.48550/arxiv.2110.05327 · pith_short_12: STOW756Y2MI2 · pith_short_16: STOW756Y2MI2ODW2 · pith_short_8: STOW756Y

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/STOW756Y2MI2ODW2BPAANZNK5O \
  | 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: 94dd6ff7d8d311a70eda0bc006e5aaeba58cf8333f3c41dd272d91c9488e567f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "363ea78a7549e59a28c4060385c72615b966f86e75d73bb11dec0e107a3daa78",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LO",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2021-10-11T14:50:28Z",
    "title_canon_sha256": "4963401a57687731c9eca3f1c8c5eb986acf99c8170af0e7cc25e11fd3d2cd2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.05327",
    "kind": "arxiv",
    "version": 2
  }
}