Pith Number

pith:ZWH5WCWP

pith:2019:ZWH5WCWP44ZFN3J2KVAUMDMIWP

not attested not anchored not stored refs pending

Overview and Results: CL-SciSumm Shared Task 2019

Dayne Freitag, Dragomir Radev, Michihiro Yasunaga, Min-Yen Kan, Muthu Kumar Chandrasekaran

arxiv:1907.09854 v1 · 2019-07-23 · cs.CL · cs.DL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZWH5WCWP44ZFN3J2KVAUMDMIWP}

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	2026-05-17T23:39:49.871412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd8fdb0acfe73256ed3a5541460d88b3f0774427c48939e76f800ac944a418e3

Aliases

arxiv: 1907.09854 · arxiv_version: 1907.09854v1 · doi: 10.48550/arxiv.1907.09854 · pith_short_12: ZWH5WCWP44ZF · pith_short_16: ZWH5WCWP44ZFN3J2 · pith_short_8: ZWH5WCWP

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/ZWH5WCWP44ZFN3J2KVAUMDMIWP \
  | 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: cd8fdb0acfe73256ed3a5541460d88b3f0774427c48939e76f800ac944a418e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f498b277672e93cef0a0204418b0e72b1820295f3949fc767eb0c85900bb0f5b",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-23T13:06:01Z",
    "title_canon_sha256": "7c7fd95eb2544736bf7822be4ef479a849b644787615d1e5bab2a5c74a7e7bab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09854",
    "kind": "arxiv",
    "version": 1
  }
}