Pith Number

pith:FX5X4GBJ

pith:2022:FX5X4GBJQ3NFDWRG57VJLQBOXP

not attested not anchored not stored refs pending

KSG: Knowledge and Skill Graph

Donglin Wang, Feng Zhao, Ziqi Zhang

arxiv:2209.05698 v1 · 2022-09-13 · 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{FX5X4GBJQ3NFDWRG57VJLQBOXP}

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	2026-07-05T04:56:49.128374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dfb7e182986da51da26efea95c02ebbf4234bf9e5de135d25ea8ecda8a30015

Aliases

arxiv: 2209.05698 · arxiv_version: 2209.05698v1 · doi: 10.48550/arxiv.2209.05698 · pith_short_12: FX5X4GBJQ3NF · pith_short_16: FX5X4GBJQ3NFDWRG · pith_short_8: FX5X4GBJ

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/FX5X4GBJQ3NFDWRG57VJLQBOXP \
  | 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: 2dfb7e182986da51da26efea95c02ebbf4234bf9e5de135d25ea8ecda8a30015

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21d429e3f474bb161dc30b3e4aa721ec6f5e00faaece13cf68ca69265c1a88e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2022-09-13T02:47:46Z",
    "title_canon_sha256": "45d98b1d24f5c67f4972355c140b5747ce5be330dc284f13b290fed18694bc18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.05698",
    "kind": "arxiv",
    "version": 1
  }
}