Pith Number

pith:Z2567N3F

pith:2018:Z2567N3FZ7PCPVZLZRHVZIJRBK

not attested not anchored not stored refs pending

Did William Shakespeare and Thomas Kyd Write Edward III?

David Kernot, Roger Bradbury, Terry Bossomaier

arxiv:1801.04017 v1 · 2018-01-11 · 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{Z2567N3FZ7PCPVZLZRHVZIJRBK}

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	2026-05-18T00:26:12.138547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cebbefb765cfde27d72bcc4f5ca1310ab0d0ac213a2af47fab224d172cfb25a7

Aliases

arxiv: 1801.04017 · arxiv_version: 1801.04017v1 · doi: 10.48550/arxiv.1801.04017 · pith_short_12: Z2567N3FZ7PC · pith_short_16: Z2567N3FZ7PCPVZL · pith_short_8: Z2567N3F

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/Z2567N3FZ7PCPVZLZRHVZIJRBK \
  | 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: cebbefb765cfde27d72bcc4f5ca1310ab0d0ac213a2af47fab224d172cfb25a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2b757de846368aa7d695f1cca203d8ba2db47a8d9a911ab738bff4eaa7c71c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-01-11T23:40:39Z",
    "title_canon_sha256": "cc37981963529517e255b04999b64e97e95eb3530727cbfec4ce4a56754c99fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04017",
    "kind": "arxiv",
    "version": 1
  }
}