Pith Number

pith:PKPGOR7A

pith:2021:PKPGOR7APVDG7G33PHS4GU6U7N

not attested not anchored not stored refs pending

TAG: Toward Accurate Social Media Content Tagging with a Concept Graph

Bang Liu, Chaoyue Wang, Di Niu, Jinwen Luo, Jiuding Yang, Linglong Kong, Weidong Guo, Yakun Yu, Zhen Wen

arxiv:2110.06892 v4 · 2021-10-13 · cs.LG · 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{PKPGOR7APVDG7G33PHS4GU6U7N}

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	2026-07-05T04:32:12.353487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a9e6747e07d466f9b7b79e5c353d4fb66bd306efe5d79b0f918985e66cc217d

Aliases

arxiv: 2110.06892 · arxiv_version: 2110.06892v4 · doi: 10.48550/arxiv.2110.06892 · pith_short_12: PKPGOR7APVDG · pith_short_16: PKPGOR7APVDG7G33 · pith_short_8: PKPGOR7A

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/PKPGOR7APVDG7G33PHS4GU6U7N \
  | 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: 7a9e6747e07d466f9b7b79e5c353d4fb66bd306efe5d79b0f918985e66cc217d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd9246f369139255d4849185336842ef0e41e543af440683cd3596066c4a0f9c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-13T17:24:02Z",
    "title_canon_sha256": "eb665abbcb5a7c0dd211f1562a8bba5333383ed720f6821c31cbfa1cecc85d9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.06892",
    "kind": "arxiv",
    "version": 4
  }
}