Pith Number

pith:JQKP4VM6

pith:2025:JQKP4VM6W7T7DJLKUNRJSSB57X

not attested not anchored not stored refs pending

Topos Causal Models

Sridhar Mahadevan

arxiv:2508.08295 v1 · 2025-08-05 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQKP4VM6W7T7DJLKUNRJSSB57X}

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	2026-07-05T11:52:25.432464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c14fe559eb7e7f1a56aa36299483dfdcbc62cbcdd83038f0830dd9ad67c2a47

Aliases

arxiv: 2508.08295 · arxiv_version: 2508.08295v1 · doi: 10.48550/arxiv.2508.08295 · pith_short_12: JQKP4VM6W7T7 · pith_short_16: JQKP4VM6W7T7DJLK · pith_short_8: JQKP4VM6

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/JQKP4VM6W7T7DJLKUNRJSSB57X \
  | 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: 4c14fe559eb7e7f1a56aa36299483dfdcbc62cbcdd83038f0830dd9ad67c2a47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e7c580b6226e313fe9d638dfcd1ad7feae4a9ff999de0206fb3ee827b0ee887",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-08-05T21:50:57Z",
    "title_canon_sha256": "7e41945f9629dc781bf2ab3e06d8d2eb553db42d65ec292269143716c17591b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.08295",
    "kind": "arxiv",
    "version": 1
  }
}