Pith Number

pith:U2SU6TBF

pith:2023:U2SU6TBFA3WOPWGDVSLOURYRKQ

not attested not anchored not stored refs pending

Whats New? Identifying the Unfolding of New Events in Narratives

Gabriel Roccabruna, Giuseppe Riccardi, Koichiro Yoshino, Satoshi Nakamura, Seyed Mahed Mousavi, Shohei Tanaka

arxiv:2302.07748 v4 · 2023-02-15 · 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{U2SU6TBFA3WOPWGDVSLOURYRKQ}

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	2026-07-05T07:07:07.112322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6a54f4c2506ece7d8c3ac96ea47115433746e328b1e439da9a9ab0c13c96b59

Aliases

arxiv: 2302.07748 · arxiv_version: 2302.07748v4 · doi: 10.48550/arxiv.2302.07748 · pith_short_12: U2SU6TBFA3WO · pith_short_16: U2SU6TBFA3WOPWGD · pith_short_8: U2SU6TBF

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/U2SU6TBFA3WOPWGDVSLOURYRKQ \
  | 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: a6a54f4c2506ece7d8c3ac96ea47115433746e328b1e439da9a9ab0c13c96b59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50094218f2eb5af227973e0617e36ca947671fd7b781a97ef8cdfa310a48cab8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-02-15T15:54:01Z",
    "title_canon_sha256": "8e969e0de55a9adffccaddbef609f159b3cd592c6ef64927d70d3c1326003df8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.07748",
    "kind": "arxiv",
    "version": 4
  }
}