Pith Number

pith:T6LE4KRK

pith:2019:T6LE4KRKPPVFJNJV2ZNA23PHYP

not attested not anchored not stored refs pending

Do People Prefer "Natural" code?

Casey Casalnuovo, Emily Morgan, Hulin Wang, Kevin Lee, Prem Devanbu

arxiv:1910.03704 v1 · 2019-10-08 · cs.CL · cs.IT · cs.PL · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6LE4KRKPPVFJNJV2ZNA23PHYP}

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	2026-07-05T00:10:56.918414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f964e2a2a7bea54b535d65a0d6de7c3d6c31baa91cc03264ba31022a9e3ab63

Aliases

arxiv: 1910.03704 · arxiv_version: 1910.03704v1 · doi: 10.48550/arxiv.1910.03704 · pith_short_12: T6LE4KRKPPVF · pith_short_16: T6LE4KRKPPVFJNJV · pith_short_8: T6LE4KRK

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/T6LE4KRKPPVFJNJV2ZNA23PHYP \
  | 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: 9f964e2a2a7bea54b535d65a0d6de7c3d6c31baa91cc03264ba31022a9e3ab63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00662d33d178633fa887328acbcf5d65dc508d2971a77436268f8196fac0c33b",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.PL",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-10-08T22:11:55Z",
    "title_canon_sha256": "9ca389172363f79c8711de64957ccc00ec1ec50c1c43291ec1d1df714d462c8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.03704",
    "kind": "arxiv",
    "version": 1
  }
}