Pith Number

pith:FOIQEF5L

pith:2019:FOIQEF5L4WJKXI6XUL72P6S5ZW

not attested not anchored not stored refs pending

Cued@wmt19:ewc&lms

Adria de Gispert, Bill Byrne, Danielle Saunders, Felix Stahlberg

arxiv:1906.05447 v1 · 2019-06-11 · 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{FOIQEF5L4WJKXI6XUL72P6S5ZW}

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	2026-05-17T23:43:25.312900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b910217abe592aba3d7a2ffa7fa5dcdad887efe85caabc14c4256138db9f6ff

Aliases

arxiv: 1906.05447 · arxiv_version: 1906.05447v1 · doi: 10.48550/arxiv.1906.05447 · pith_short_12: FOIQEF5L4WJK · pith_short_16: FOIQEF5L4WJKXI6X · pith_short_8: FOIQEF5L

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/FOIQEF5L4WJKXI6XUL72P6S5ZW \
  | 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: 2b910217abe592aba3d7a2ffa7fa5dcdad887efe85caabc14c4256138db9f6ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0ebb20eebeadf541550d69e212604523fbb3d873a578d3d2862b45c3d45e4c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-11T17:49:57Z",
    "title_canon_sha256": "f3908069f8a5950d62fe20c69aa4067af451595ad3e7713ce382ec510252b67e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05447",
    "kind": "arxiv",
    "version": 1
  }
}