Pith Number

pith:YXSUCFOD

pith:2025:YXSUCFODDHBL4T4YRGSFPZYNQW

not attested not anchored not stored refs pending

Itegories

Jean-Simon Pacaud Lemay, Robin Cockett

arxiv:2504.02409 v3 · 2025-04-03 · math.CT · 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{YXSUCFODDHBL4T4YRGSFPZYNQW}

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	2026-07-01T00:17:07.988309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5e54115c319c2be4f9889a457e70d8586a7fbacdaf791c72def3dc03a87ce24

Aliases

arxiv: 2504.02409 · arxiv_version: 2504.02409v3 · doi: 10.48550/arxiv.2504.02409 · pith_short_12: YXSUCFODDHBL · pith_short_16: YXSUCFODDHBL4T4Y · pith_short_8: YXSUCFOD

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/YXSUCFODDHBL4T4YRGSFPZYNQW \
  | 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: c5e54115c319c2be4f9889a457e70d8586a7fbacdaf791c72def3dc03a87ce24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c254d03e69a7838ab962668c9c5756fa016d9fa36a3f54beb2fc907b73c5bc68",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2025-04-03T08:59:33Z",
    "title_canon_sha256": "327b6bd9b6c15ac730c1f502b18063fe84faaa254f9effa68fc70a11285deaf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.02409",
    "kind": "arxiv",
    "version": 3
  }
}