Pith Number

pith:BK67KN3H

pith:2023:BK67KN3HZ5MX52243GJIMEISUU

not attested not anchored not stored refs pending

A Pretty Expressive Printer (with Appendices)

Emina Torlak, Justin Pombrio, Sorawee Porncharoenwase

arxiv:2310.01530 v1 · 2023-10-02 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BK67KN3HZ5MX52243GJIMEISUU}

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	2026-07-05T06:56:41.477560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0abdf53767cf597eeb5cd992861112a52c8b1d87b1868dae5f9c098501feea9e

Aliases

arxiv: 2310.01530 · arxiv_version: 2310.01530v1 · doi: 10.48550/arxiv.2310.01530 · pith_short_12: BK67KN3HZ5MX · pith_short_16: BK67KN3HZ5MX5224 · pith_short_8: BK67KN3H

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/BK67KN3HZ5MX52243GJIMEISUU \
  | 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: 0abdf53767cf597eeb5cd992861112a52c8b1d87b1868dae5f9c098501feea9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1175f8ccee13e1a6c10141c74c135026ce146cf43f0d84e6761d4d72354681c7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2023-10-02T18:18:51Z",
    "title_canon_sha256": "ca8ed4c98f666995bc9e17e88cab4b3bffd406d52210a5e48c90e39336a3b758"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.01530",
    "kind": "arxiv",
    "version": 1
  }
}