Pith Number

pith:B3QXWLHE

pith:2015:B3QXWLHEAJ6SN6EOESJY4QNADI

not attested not anchored not stored refs pending

A User's Guide to CARSKit

Yong Zheng

arxiv:1511.03780 v2 · 2015-11-12 · 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{B3QXWLHEAJ6SN6EOESJY4QNADI}

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	2026-05-17T23:53:44.610679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee17b2ce4027d26f88e24938e41a01a0c7aaecf60da55ad52e0db63b5ae3f47

Aliases

arxiv: 1511.03780 · arxiv_version: 1511.03780v2 · doi: 10.48550/arxiv.1511.03780 · pith_short_12: B3QXWLHEAJ6S · pith_short_16: B3QXWLHEAJ6SN6EO · pith_short_8: B3QXWLHE

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/B3QXWLHEAJ6SN6EOESJY4QNADI \
  | 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: 0ee17b2ce4027d26f88e24938e41a01a0c7aaecf60da55ad52e0db63b5ae3f47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b85f60e05fec8ccb6b4b73599ef2b15ee8d00c7fb3dcfecd71017db8703d06f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-11-12T05:24:35Z",
    "title_canon_sha256": "f9ac551ce57fa177e3b6e8810c3e37ee0dc1a30bd10ffcf311a35f48ae2e625c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03780",
    "kind": "arxiv",
    "version": 2
  }
}