Pith Number

pith:CLURH4VX

pith:2021:CLURH4VXOT6C7HHVNRCU2ABK5B

not attested not anchored not stored refs pending

Ternary Hashing

Ce Ju, Chang Liu, Chee Seng Chan, Kam Woh Ng, Lixin Fan, Qiang Yang, Tianyu Zhang, Yilun Jin

arxiv:2103.09173 v2 · 2021-03-16 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CLURH4VXOT6C7HHVNRCU2ABK5B}

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	2026-07-05T02:24:40.939531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12e913f2b774fc2f9cf56c454d002ae85a543433ab04ece1101d1a282253d1ce

Aliases

arxiv: 2103.09173 · arxiv_version: 2103.09173v2 · doi: 10.48550/arxiv.2103.09173 · pith_short_12: CLURH4VXOT6C · pith_short_16: CLURH4VXOT6C7HHV · pith_short_8: CLURH4VX

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/CLURH4VXOT6C7HHVNRCU2ABK5B \
  | 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: 12e913f2b774fc2f9cf56c454d002ae85a543433ab04ece1101d1a282253d1ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f0a2242d576f7174c1d95d16f931eec2ff388789a3cae00667bb23b290e153b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-03-16T16:20:54Z",
    "title_canon_sha256": "c6db5011e5e6ad8e326f440b3c5eeebac672498ef70fe069c3042065bff46b18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09173",
    "kind": "arxiv",
    "version": 2
  }
}