Pith Number

pith:BPE7AJST

pith:2021:BPE7AJSTB3LHGVIO4UFT5MGM4H

not attested not anchored not stored refs pending

How (Non-)Optimal is the Lexicon?

Dami\'an Blasi, Irene Nikkarinen, Kyle Mahowald, Ryan Cotterell, Tiago Pimentel

arxiv:2104.14279 v2 · 2021-04-29 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPE7AJSTB3LHGVIO4UFT5MGM4H}

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	2026-07-05T02:36:32.839843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bc9f026530ed673550ee50b3eb0cce1e29b7afa4f75b57b025ab72c6052f97f

Aliases

arxiv: 2104.14279 · arxiv_version: 2104.14279v2 · doi: 10.48550/arxiv.2104.14279 · pith_short_12: BPE7AJSTB3LH · pith_short_16: BPE7AJSTB3LHGVIO · pith_short_8: BPE7AJST

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/BPE7AJSTB3LHGVIO4UFT5MGM4H \
  | 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: 0bc9f026530ed673550ee50b3eb0cce1e29b7afa4f75b57b025ab72c6052f97f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db04d5bb9292b0d8cec308893a78e40fa1332f19d93e81b5fa40c38624503363",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-29T11:55:47Z",
    "title_canon_sha256": "db378d6ce44efbce8500845ae6d5438e6b25e22cd311eb2c2414a02068862dd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14279",
    "kind": "arxiv",
    "version": 2
  }
}