Pith Number

pith:STJDKA5P

pith:2019:STJDKA5PXPVFHXDPSA3YZFPO4F

not attested not anchored not stored refs pending

Multi-Granular Text Encoding for Self-Explaining Categorization

Kun Xu, Linfeng Song, Lin Pan, Mo Yu, Wei Zhang, Yousef El-Kurdi, Yue Zhang, Zhiguo Wang

arxiv:1907.08532 v1 · 2019-07-19 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STJDKA5PXPVFHXDPSA3YZFPO4F}

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	2026-05-17T23:40:09.528206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94d23503afbbea53dc6f90378c95eee158f46d57be2262ed68a1178e6d679ea9

Aliases

arxiv: 1907.08532 · arxiv_version: 1907.08532v1 · doi: 10.48550/arxiv.1907.08532 · pith_short_12: STJDKA5PXPVF · pith_short_16: STJDKA5PXPVFHXDP · pith_short_8: STJDKA5P

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/STJDKA5PXPVFHXDPSA3YZFPO4F \
  | 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: 94d23503afbbea53dc6f90378c95eee158f46d57be2262ed68a1178e6d679ea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "885d95661ba2ace6b3dcbbff51ae3da20ec5cb848c8a4883bb01407bafbf3a8c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-19T14:43:51Z",
    "title_canon_sha256": "0b0f6121b6b32315addfe3e9266a07838598464c2fdf4398adc618a950b03a81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08532",
    "kind": "arxiv",
    "version": 1
  }
}